Recognised as Colour

#81122F

#81122F
Red
Dark
Nearest: Brown

#81122F is a red with RGB values 129, 18, 47 and HSL 344°, 76%, 29%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#81122F#81122F

HEX#81122F

RGBrgb(129, 18, 47)

RGB (0–1)0.5059, 0.0706, 0.1843

RGB percentages50.6%, 7.1%, 18.4%

HSLhsl(344.3, 75.5%, 28.8%)

HSV / HSBhsv(344.3, 86%, 50.6%)

CMYK0%, 86%, 63.6%, 49.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,458,799

CSS custom property--colour: #81122F;

Brightness & contrast

Relative luminance0.05305WCAG 2.x, 0 is black and 1 is white

Perceived brightness73.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.19:1

Contrast with white10.19:1WCAG normal text: AAA

Contrast with black2.06:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#7EEDD0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#34332Fno red cones; affects about 1% of men; ΔE 48.5 from the original

Deuteranopia#50492Cno green cones; the most common form, about 1% of men; ΔE 48.7 from the original

Tritanopia#8E001Fno blue cones; rare, and affects men and women equally; ΔE 14.4 from the original

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

Contrast with white, large text10.19:1WCAG large text: AAA

Contrast with black, large text2.06:1WCAG large text: Fail

Named colours

Brown · ΔE 20 Maroon · ΔE 24.7 Indian red · ΔE 27.3 Dark red · ΔE 28.2 Firebrick · ΔE 28.4 Sienna · ΔE 32.4

Nearest named CSS colourBrown (#A52A2A)ΔE 20.04, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#128164

Analogous#811266, #812C12

Triadic#2F8112, #122F81

Split complementary#12812C, #126681

Tetradic#678112, #128164, #2D1281

Tints, shades & saturation

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

Lighter +40%#EC7393

Lighter +30%#E54770

Lighter +20%#DB1E50

Lighter +10%#AE183F

Darker −10%#540C1F

Darker −20%#27060E

Darker −30%#000000

Darker −40%#000000

More saturated +25%#930026

Less saturated −25%#6F2438

Channel breakdown

R129

G18

B47

Red129 (50.6%)

Green18 (7.1%)

Blue47 (18.4%)

Hue344.32°

Saturation (HSL)75.51%

Lightness28.82%

Dominant channelRed

Hex per channelR 81 · G 12 · B 2F

Keep nerding

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

#81122F

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

Nerdulate something else