Recognised as Colour

#CB2454

#CB2454
Red
Dark
Nearest: Crimson

#CB2454 is a red with RGB values 203, 36, 84 and HSL 343°, 70%, 47%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CB2454#CB2454

HEX#CB2454

RGBrgb(203, 36, 84)

RGB (0–1)0.7961, 0.1412, 0.3294

RGB percentages79.6%, 14.1%, 32.9%

HSLhsl(342.8, 69.9%, 46.9%)

HSV / HSBhsv(342.8, 82.3%, 79.6%)

CMYK0%, 82.3%, 58.6%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,313,108

CSS custom property--colour: #CB2454;

Brightness & contrast

Relative luminance0.14598WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.36:1

Contrast with white5.36:1WCAG normal text: AA

Contrast with black3.92:1WCAG normal text: Fail

Greyscale equivalent#4B4B4B

Inverted#34DBAB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#555555no red cones; affects about 1% of men; ΔE 67.3 from the original

Deuteranopia#807750no green cones; the most common form, about 1% of men; ΔE 68.1 from the original

Tritanopia#DE003Ano blue cones; rare, and affects men and women equally; ΔE 20.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.36:1WCAG large text: AAA

Contrast with black, large text3.92:1WCAG large text: AA

Named colours

Crimson · ΔE 19 Brown · ΔE 22.5 Indian red · ΔE 22.6 Firebrick · ΔE 24.4 Pale violetred · ΔE 29.1 Light coral · ΔE 30.7

Nearest named CSS colourCrimson (#DC143C)ΔE 18.99, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#24CB9B

Analogous#CB24A8, #CB4824

Triadic#54CB24, #2454CB

Split complementary#24CB48, #24A8CB

Tetradic#A7CB24, #24CB9B, #4724CB

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#F5C6D4

Lighter +30%#ED9BB2

Lighter +20%#E66F91

Lighter +10%#DE4470

Darker −10%#A01C42

Darker −20%#741530

Darker −30%#490D1E

Darker −40%#1E050C

More saturated +25%#E90647

Less saturated −25%#AD4261

Channel breakdown

R203

G36

B84

Red203 (79.6%)

Green36 (14.1%)

Blue84 (32.9%)

Hue342.75°

Saturation (HSL)69.87%

Lightness46.86%

Dominant channelRed

Hex per channelR CB · G 24 · B 54

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

CB2454 (chemical formula)

Formula
26,539.751 g/mol
2455 atoms

CB2454 has a molar mass of 26,539.751 g/mol, made up of 2455 atoms across 2 elements: 1 × C, 2454 × B.

Open this reading on its own page →

Molar mass

Molar mass26,539.751 g/mol

Total atoms per molecule2455

Distinct elements2

Mass of one molecule4.4070293 × 10^-20 g

Molecules per gram2.2691022 × 10^19

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

C0%

B100%

Carbon (C)12.011 g/mol, 0.045%

Boron (B × 2454)26,527.74 g/mol, 99.955%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page