Recognised as Colour

#B23041

#B23041
Red
Dark
Nearest: Brown

#B23041 is a red with RGB values 178, 48, 65 and HSL 352°, 58%, 44%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B23041#B23041

HEX#B23041

RGBrgb(178, 48, 65)

RGB (0–1)0.698, 0.1882, 0.2549

RGB percentages69.8%, 18.8%, 25.5%

HSLhsl(352.2, 57.5%, 44.3%)

HSV / HSBhsv(352.2, 73%, 69.8%)

CMYK0%, 73%, 63.5%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,677,761

CSS custom property--colour: #B23041;

Brightness & contrast

Relative luminance0.11961WCAG 2.x, 0 is black and 1 is white

Perceived brightness106.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.19:1

Contrast with white6.19:1WCAG normal text: AA

Contrast with black3.39:1WCAG normal text: Fail

Greyscale equivalent#4D4D4D

Inverted#4DCFBE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#545041no red cones; affects about 1% of men; ΔE 55.9 from the original

Deuteranopia#756B3Dno green cones; the most common form, about 1% of men; ΔE 56.3 from the original

Tritanopia#C30137no blue cones; rare, and affects men and women equally; ΔE 15.3 from the original

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

Contrast with white, large text6.19:1WCAG large text: AAA

Contrast with black, large text3.39:1WCAG large text: AA

Named colours

Brown · ΔE 10.3 Indian red · ΔE 14.7 Firebrick · ΔE 16.6 Crimson · ΔE 22.5 Maroon · ΔE 23.3 Dark red · ΔE 23.8

Nearest named CSS colourBrown (#A52A2A)ΔE 10.29, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#30B2A1

Analogous#B23082, #B26030

Triadic#41B230, #3041B2

Split complementary#30B260, #3082B2

Tetradic#82B230, #30B2A1, #6030B2

Tints, shades & saturation

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

Lighter +40%#EEC0C6

Lighter +30%#E398A2

Lighter +20%#D8707D

Lighter +10%#CE4759

Darker −10%#8A2532

Darker −20%#621A24

Darker −30%#391015

Darker −40%#110506

More saturated +25%#CE142C

Less saturated −25%#964C56

Channel breakdown

R178

G48

B65

Red178 (69.8%)

Green48 (18.8%)

Blue65 (25.5%)

Hue352.15°

Saturation (HSL)57.52%

Lightness44.31%

Dominant channelRed

Hex per channelR B2 · G 30 · B 41

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B23041 (chemical formula)

Formula
249,073.21 g/mol
23041 atoms

B23041 has a molar mass of 249,073.21 g/mol, made up of 23041 atoms across 1 element: 23041 × B.

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Molar mass

Molar mass249,073.21 g/mol

Total atoms per molecule23041

Distinct elements1

Mass of one molecule4.135958 × 10^-19 g

Molecules per gram2.4178195 × 10^18

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

B100%

Boron (B × 23041)249,073.21 g/mol, 100%

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Elements in this formula

Boron

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