Recognised as Colour

#31151A

#31151A
Red
Dark
Nearest: Black

#31151A is a red with RGB values 49, 21, 26 and HSL 349°, 40%, 14%. It is a dark colour, so white text on it reaches 16.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#31151A#31151A

HEX#31151A

RGBrgb(49, 21, 26)

RGB (0–1)0.1922, 0.0824, 0.102

RGB percentages19.2%, 8.2%, 10.2%

HSLhsl(349.3, 40%, 13.7%)

HSV / HSBhsv(349.3, 57.1%, 19.2%)

CMYK0%, 57.1%, 46.9%, 80.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,216,666

CSS custom property--colour: #31151A;

Brightness & contrast

Relative luminance0.01264WCAG 2.x, 0 is black and 1 is white

Perceived brightness32.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.76:1

Contrast with white16.76:1WCAG normal text: AAA

Contrast with black1.25:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#CEEAE5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A1A1Ano red cones; affects about 1% of men; ΔE 15.2 from the original

Deuteranopia#212019no green cones; the most common form, about 1% of men; ΔE 16.1 from the original

Tritanopia#351217no blue cones; rare, and affects men and women equally; ΔE 4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.76:1WCAG large text: AAA

Contrast with black, large text1.25:1WCAG large text: Fail

Named colours

Black · ΔE 18.7 Dark slate grey · ΔE 34 Dim grey · ΔE 36.7 Gray · ΔE 45.2 Slate grey · ΔE 47.1 Saddle brown · ΔE 47.8

Nearest named CSS colourBlack (#000000)ΔE 18.71, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#15312C

Analogous#311528, #311E15

Triadic#1A3115, #151A31

Split complementary#15311E, #152831

Tetradic#283115, #15312C, #1E1531

Tints, shades & saturation

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

Lighter +40%#B85A6B

Lighter +30%#9C4353

Lighter +20%#783440

Lighter +10%#55242D

Darker −10%#0D0607

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#3A0C14

Less saturated −25%#281E20

Channel breakdown

R49

G21

B26

Red49 (19.2%)

Green21 (8.2%)

Blue26 (10.2%)

Hue349.29°

Saturation (HSL)40%

Lightness13.73%

Dominant channelRed

Hex per channelR 31 · G 15 · B 1A

Keep nerding

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

#31151A

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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