Colour

#B31940

#B31940
Red
Dark
Nearest: Brown

#B31940 is a red with RGB values 179, 25, 64 and HSL 345°, 75%, 40%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B31940#B31940

HEX#B31940

RGBrgb(179, 25, 64)

RGB (0–1)0.702, 0.098, 0.251

RGB percentages70.2%, 9.8%, 25.1%

HSLhsl(344.8, 75.5%, 40%)

HSV / HSBhsv(344.8, 86%, 70.2%)

CMYK0%, 86%, 64.2%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,737,408

CSS custom property--colour: #B31940;

Brightness & contrast

Relative luminance0.10649WCAG 2.x, 0 is black and 1 is white

Perceived brightness102 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.71:1

Contrast with white6.71:1WCAG normal text: AA

Contrast with black3.13:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#4CE6BF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A4840no red cones; affects about 1% of men; ΔE 62.7 from the original

Deuteranopia#70673Cno green cones; the most common form, about 1% of men; ΔE 63.3 from the original

Tritanopia#C5002Bno blue cones; rare, and affects men and women equally; ΔE 18.2 from the original

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

Contrast with white, large text6.71:1WCAG large text: AAA

Contrast with black, large text3.13:1WCAG large text: AA

Named colours

Brown · ΔE 15.1 Firebrick · ΔE 18.7 Crimson · ΔE 19.9 Indian red · ΔE 20.9 Maroon · ΔE 25.9 Dark red · ΔE 26

Nearest named CSS colourBrown (#A52A2A)ΔE 15.13, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19B38C

Analogous#B3198D, #B33F19

Triadic#40B319, #1940B3

Split complementary#19B33F, #198DB3

Tetradic#8DB319, #19B38C, #3F19B3

Tints, shades & saturation

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

Lighter +40%#F3A6B9

Lighter +30%#EC7996

Lighter +20%#E64C73

Lighter +10%#E01F50

Darker −10%#861330

Darker −20%#5A0C20

Darker −30%#2D0610

Darker −40%#000000

More saturated +25%#CC0034

Less saturated −25%#9A334D

Channel breakdown

R179

G25

B64

Red179 (70.2%)

Green25 (9.8%)

Blue64 (25.1%)

Hue344.81°

Saturation (HSL)75.49%

Lightness40%

Dominant channelRed

Hex per channelR B3 · G 19 · B 40

Keep nerding

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

#B31940

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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