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Recognised as Colour

#31301A

  • #31301A
  • Yellow
  • Dark
  • Nearest: Dark slate grey

#31301A is a yellow with RGB values 49, 48, 26 and HSL 57°, 31%, 15%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#31301A#31301A
HEX#31301A
RGBrgb(49, 48, 26)
RGB (0–1)0.1922, 0.1882, 0.102
RGB percentages19.2%, 18.8%, 10.2%
HSLhsl(57.4, 30.7%, 14.7%)
HSV / HSBhsv(57.4, 46.9%, 19.2%)
CMYK0%, 2%, 46.9%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,223,578
CSS custom property--colour: #31301A;

Brightness & contrast

Relative luminance0.02841WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.39:1
Contrast with white13.39:1WCAG normal text: AAA
Contrast with black1.57:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#CECFE5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#332E18no red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#342F1Bno green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#342D2Bno blue cones; rare, and affects men and women equally; ΔE 13.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.39:1WCAG large text: AAA
Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23Black · ΔE 24.3Dim grey · ΔE 29Dark olivegreen · ΔE 31.9Gray · ΔE 37.2Slate grey · ΔE 41.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 22.99, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1A1B31
Analogous#31241A, #27311A
Triadic#1A3130, #301A31
Split complementary#1A2731, #241A31
Tetradic#1A3125, #1A1B31, #311A27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFAC68
Lighter +30%#95924F
Lighter +20%#74713D
Lighter +10%#52512C
Darker −10%#100F08
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3A3911
Less saturated −25%#282723

Channel breakdown

R49
G48
B26
Red49 (19.2%)
Green48 (18.8%)
Blue26 (10.2%)
Hue57.39°
Saturation (HSL)30.67%
Lightness14.71%
Dominant channelRed
Hex per channelR 31 · G 30 · B 1A

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Every value on this page was computed from “31301a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.