Recognised as Colour

#31170A

#31170A
Orange
Dark
Nearest: Black

#31170A is a orange with RGB values 49, 23, 10 and HSL 20°, 66%, 12%. It is a dark colour, so white text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#31170A#31170A

HEX#31170A

RGBrgb(49, 23, 10)

RGB (0–1)0.1922, 0.0902, 0.0392

RGB percentages19.2%, 9%, 3.9%

HSLhsl(20, 66.1%, 11.6%)

HSV / HSBhsv(20, 79.6%, 19.2%)

CMYK0%, 53.1%, 79.6%, 80.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,217,162

CSS custom property--colour: #31170A;

Brightness & contrast

Relative luminance0.01288WCAG 2.x, 0 is black and 1 is white

Perceived brightness32.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.7:1

Contrast with white16.7:1WCAG normal text: AAA

Contrast with black1.26:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#CEE8F5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1E1A09no red cones; affects about 1% of men; ΔE 13.2 from the original

Deuteranopia#24200Ano green cones; the most common form, about 1% of men; ΔE 13.6 from the original

Tritanopia#361214no blue cones; rare, and affects men and women equally; ΔE 8.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.7:1WCAG large text: AAA

Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Black · ΔE 20.7 Dark slate grey · ΔE 35 Dim grey · ΔE 37.5 Saddle brown · ΔE 41.2 Sienna · ΔE 43.5 Gray · ΔE 45.8

Nearest named CSS colourBlack (#000000)ΔE 20.67, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0A2431

Analogous#310A11, #312A0A

Triadic#0A3117, #170A31

Split complementary#0A312B, #0A1031

Tetradic#11310A, #0A2431, #2A0A31

Tints, shades & saturation

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

Lighter +40%#D56832

Lighter +30%#B05324

Lighter +20%#863F1B

Lighter +10%#5B2B13

Darker −10%#070301

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#381503

Less saturated −25%#2A1911

Channel breakdown

R49

G23

B10

Red49 (19.2%)

Green23 (9%)

Blue10 (3.9%)

Hue20°

Saturation (HSL)66.1%

Lightness11.57%

Dominant channelRed

Hex per channelR 31 · G 17 · B 0A

Keep nerding

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

#31170A

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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