Recognised as Colour

#CF2027

#CF2027
Red
Dark
Nearest: Crimson

#CF2027 is a red with RGB values 207, 32, 39 and HSL 358°, 73%, 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

#CF2027#CF2027

HEX#CF2027

RGBrgb(207, 32, 39)

RGB (0–1)0.8118, 0.1255, 0.1529

RGB percentages81.2%, 12.5%, 15.3%

HSLhsl(357.6, 73.2%, 46.9%)

HSV / HSBhsv(357.6, 84.5%, 81.2%)

CMYK0%, 84.5%, 81.2%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,574,183

CSS custom property--colour: #CF2027;

Brightness & contrast

Relative luminance0.14445WCAG 2.x, 0 is black and 1 is white

Perceived brightness116.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.4:1

Contrast with white5.4:1WCAG normal text: AA

Contrast with black3.89:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#30DFD8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C5225no red cones; affects about 1% of men; ΔE 69.5 from the original

Deuteranopia#86771Eno green cones; the most common form, about 1% of men; ΔE 69.5 from the original

Tritanopia#E40026no blue cones; rare, and affects men and women equally; ΔE 10.9 from the original

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

Contrast with white, large text5.4:1WCAG large text: AAA

Contrast with black, large text3.89:1WCAG large text: AA

Named colours

Crimson · ΔE 11.1 Firebrick · ΔE 11.6 Tomato · ΔE 19.1 Brown · ΔE 20.6 Dark red · ΔE 21.7 Maroon · ΔE 25.9

Nearest named CSS colourCrimson (#DC143C)ΔE 11.08, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#20CFC8

Analogous#CF207E, #CF7120

Triadic#27CF20, #2027CF

Split complementary#20CF71, #207ECF

Tetradic#7ECF20, #20CFC8, #7020CF

Tints, shades & saturation

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

Lighter +40%#F6C5C7

Lighter +30%#EF999C

Lighter +20%#E86D72

Lighter +10%#E24047

Darker −10%#A3191F

Darker −20%#771216

Darker −30%#4A0C0E

Darker −40%#1E0506

More saturated +25%#ED020C

Less saturated −25%#B13E42

Channel breakdown

R207

G32

B39

Red207 (81.2%)

Green32 (12.5%)

Blue39 (15.3%)

Hue357.6°

Saturation (HSL)73.22%

Lightness46.86%

Dominant channelRed

Hex per channelR CF · G 20 · B 27

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

CF2027 (chemical formula)

Formula
38,520.957 g/mol
2028 atoms

CF2027 has a molar mass of 38,520.957 g/mol, made up of 2028 atoms across 2 elements: 1 × C, 2027 × F.

Open this reading on its own page →

Molar mass

Molar mass38,520.957 g/mol

Total atoms per molecule2028

Distinct elements2

Mass of one molecule6.3965554 × 10^-20 g

Molecules per gram1.5633414 × 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%

F100%

Carbon (C)12.011 g/mol, 0.031%

Fluorine (F × 2027)38,508.946 g/mol, 99.969%

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