Recognised as Colour

#81133D

#81133D
Red
Dark
Nearest: Brown

#81133D is a red with RGB values 129, 19, 61 and HSL 337°, 74%, 29%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#81133D#81133D

HEX#81133D

RGBrgb(129, 19, 61)

RGB (0–1)0.5059, 0.0745, 0.2392

RGB percentages50.6%, 7.5%, 23.9%

HSLhsl(337.1, 74.3%, 29%)

HSV / HSBhsv(337.1, 85.3%, 50.6%)

CMYK0%, 85.3%, 52.7%, 49.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,459,069

CSS custom property--colour: #81133D;

Brightness & contrast

Relative luminance0.0547WCAG 2.x, 0 is black and 1 is white

Perceived brightness74.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.03:1

Contrast with white10.03:1WCAG normal text: AAA

Contrast with black2.09:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#7EECC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#31343Eno red cones; affects about 1% of men; ΔE 47.7 from the original

Deuteranopia#4E4A3Ano green cones; the most common form, about 1% of men; ΔE 49.1 from the original

Tritanopia#8D0026no blue cones; rare, and affects men and women equally; ΔE 17.9 from the original

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

Contrast with white, large text10.03:1WCAG large text: AAA

Contrast with black, large text2.09:1WCAG large text: Fail

Named colours

Brown · ΔE 27.7 Indian red · ΔE 30.9 Pale violetred · ΔE 32.8 Maroon · ΔE 33.6 Medium violet red · ΔE 35.1 Firebrick · ΔE 35.9

Nearest named CSS colourBrown (#A52A2A)ΔE 27.72, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#138157

Analogous#811374, #812013

Triadic#3D8113, #133D81

Split complementary#138120, #137481

Tetradic#748113, #138157, #201381

Tints, shades & saturation

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

Lighter +40%#EB75A2

Lighter +30%#E44984

Lighter +20%#DA2067

Lighter +10%#AD1A52

Darker −10%#550C28

Darker −20%#280613

Darker −30%#000000

Darker −40%#000000

More saturated +25%#930039

Less saturated −25%#6F2541

Channel breakdown

R129

G19

B61

Red129 (50.6%)

Green19 (7.5%)

Blue61 (23.9%)

Hue337.09°

Saturation (HSL)74.32%

Lightness29.02%

Dominant channelRed

Hex per channelR 81 · G 13 · B 3D

Keep nerding

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

#81133D

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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