Colour

#311D13

#311D13
Orange
Dark
Nearest: Black

#311D13 is a orange with RGB values 49, 29, 19 and HSL 20°, 44%, 13%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#311D13#311D13

HEX#311D13

RGBrgb(49, 29, 19)

RGB (0–1)0.1922, 0.1137, 0.0745

RGB percentages19.2%, 11.4%, 7.5%

HSLhsl(20, 44.1%, 13.3%)

HSV / HSBhsv(20, 61.2%, 19.2%)

CMYK0%, 40.8%, 61.2%, 80.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,218,707

CSS custom property--colour: #311D13;

Brightness & contrast

Relative luminance0.01579WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.96:1

Contrast with white15.96:1WCAG normal text: AAA

Contrast with black1.32:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#CEE2EC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#221F12no red cones; affects about 1% of men; ΔE 9.8 from the original

Deuteranopia#272313no green cones; the most common form, about 1% of men; ΔE 9.6 from the original

Tritanopia#36191Ano blue cones; rare, and affects men and women equally; ΔE 7.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.96:1WCAG large text: AAA

Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Black · ΔE 18.9 Dark slate grey · ΔE 30.8 Dim grey · ΔE 34.2 Gray · ΔE 42.7 Saddle brown · ΔE 42.8 Dark olivegreen · ΔE 44.5

Nearest named CSS colourBlack (#000000)ΔE 18.95, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#132731

Analogous#311318, #312C13

Triadic#13311D, #1D1331

Split complementary#13312C, #131831

Tetradic#183113, #132731, #2C1331

Tints, shades & saturation

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

Lighter +40%#BD7653

Lighter +30%#9F5E3E

Lighter +20%#7B492F

Lighter +10%#563321

Darker −10%#0C0705

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#391A0B

Less saturated −25%#29201B

Channel breakdown

R49

G29

B19

Red49 (19.2%)

Green29 (11.4%)

Blue19 (7.5%)

Hue20°

Saturation (HSL)44.12%

Lightness13.33%

Dominant channelRed

Hex per channelR 31 · G 1D · B 13

Keep nerding

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#311D13

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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