Colour

#311F0B

#311F0B
Orange
Dark
Nearest: Black

#311F0B is a orange with RGB values 49, 31, 11 and HSL 32°, 63%, 12%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#311F0B#311F0B

HEX#311F0B

RGBrgb(49, 31, 11)

RGB (0–1)0.1922, 0.1216, 0.0431

RGB percentages19.2%, 12.2%, 4.3%

HSLhsl(31.6, 63.3%, 11.8%)

HSV / HSBhsv(31.6, 77.6%, 19.2%)

CMYK0%, 36.7%, 77.6%, 80.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,219,211

CSS custom property--colour: #311F0B;

Brightness & contrast

Relative luminance0.01657WCAG 2.x, 0 is black and 1 is white

Perceived brightness36 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.77:1

Contrast with white15.77:1WCAG normal text: AAA

Contrast with black1.33:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#CEE0F4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#252009no red cones; affects about 1% of men; ΔE 7.8 from the original

Deuteranopia#29240Bno green cones; the most common form, about 1% of men; ΔE 8 from the original

Tritanopia#361B1Ano blue cones; rare, and affects men and women equally; ΔE 11.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.77:1WCAG large text: AAA

Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 21.6 Dark slate grey · ΔE 31.8 Dim grey · ΔE 35.1 Saddle brown · ΔE 40.3 Dark olivegreen · ΔE 40.9 Sienna · ΔE 43

Nearest named CSS colourBlack (#000000)ΔE 21.65, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B1D31

Analogous#310C0B, #30310B

Triadic#0B311F, #1F0B31

Split complementary#0B3031, #0C0B31

Tetradic#0B310C, #0B1D31, #310B30

Tints, shades & saturation

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

Lighter +40%#D28836

Lighter +30%#AE6E27

Lighter +20%#84541E

Lighter +10%#5B3914

Darker −10%#070502

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#381F04

Less saturated −25%#291F12

Channel breakdown

R49

G31

B11

Red49 (19.2%)

Green31 (12.2%)

Blue11 (4.3%)

Hue31.58°

Saturation (HSL)63.33%

Lightness11.76%

Dominant channelRed

Hex per channelR 31 · G 1F · B 0B

Keep nerding

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

#311F0B

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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