Recognised as Colour

#51131D

#51131D
Red
Dark
Nearest: Maroon

#51131D is a red with RGB values 81, 19, 29 and HSL 350°, 62%, 20%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#51131D#51131D

HEX#51131D

RGBrgb(81, 19, 29)

RGB (0–1)0.3176, 0.0745, 0.1137

RGB percentages31.8%, 7.5%, 11.4%

HSLhsl(350.3, 62%, 19.6%)

HSV / HSBhsv(350.3, 76.5%, 31.8%)

CMYK0%, 76.5%, 64.2%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,313,309

CSS custom property--colour: #51131D;

Brightness & contrast

Relative luminance0.02304WCAG 2.x, 0 is black and 1 is white

Perceived brightness47.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.38:1

Contrast with white14.38:1WCAG normal text: AAA

Contrast with black1.46:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#AEECE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#23221Dno red cones; affects about 1% of men; ΔE 31 from the original

Deuteranopia#332F1Bno green cones; the most common form, about 1% of men; ΔE 31.5 from the original

Tritanopia#590517no blue cones; rare, and affects men and women equally; ΔE 8.4 from the original

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

Contrast with white, large text14.38:1WCAG large text: AAA

Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Maroon · ΔE 34.7 Brown · ΔE 35.4 Black · ΔE 35.4 Sienna · ΔE 37.1 Saddle brown · ΔE 37.2 Dark red · ΔE 39.6

Nearest named CSS colourMaroon (#800000)ΔE 34.74, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#135147

Analogous#51133C, #512813

Triadic#1D5113, #131D51

Split complementary#135128, #133C51

Tetradic#3C5113, #135147, #281351

Tints, shades & saturation

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

Lighter +40%#D8586D

Lighter +30%#CD3049

Lighter +20%#A4263B

Lighter +10%#7A1D2C

Darker −10%#28090E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5E0615

Less saturated −25%#452025

Channel breakdown

R81

G19

B29

Red81 (31.8%)

Green19 (7.5%)

Blue29 (11.4%)

Hue350.32°

Saturation (HSL)62%

Lightness19.61%

Dominant channelRed

Hex per channelR 51 · G 13 · B 1D

Keep nerding

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

#51131D

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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