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Recognised as Colour

#31433B

  • #31433B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#31433B is a cyan with RGB values 49, 67, 59 and HSL 153°, 16%, 23%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#31433B#31433B
HEX#31433B
RGBrgb(49, 67, 59)
RGB (0–1)0.1922, 0.2627, 0.2314
RGB percentages19.2%, 26.3%, 23.1%
HSLhsl(153.3, 15.5%, 22.7%)
HSV / HSBhsv(153.3, 26.9%, 26.3%)
CMYK26.9%, 0%, 11.9%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,228,475
CSS custom property--colour: #31433B;

Brightness & contrast

Relative luminance0.04983WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.52:1
Contrast with white10.52:1WCAG normal text: AAA
Contrast with black2:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#CEBCC4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#42403Bno red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#3F3E3Bno green cones; the most common form, about 1% of men; ΔE 9 from the original
Tritanopia#2D4341no blue cones; rare, and affects men and women equally; ΔE 4.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.52:1WCAG large text: AAA
Contrast with black, large text2:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.2Dim grey · ΔE 20.1Black · ΔE 28.3Gray · ΔE 28.5Slate grey · ΔE 30.1Teal · ΔE 31.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.16, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#433139
Analogous#314332, #314243
Triadic#3B3143, #433B31
Split complementary#433142, #433231
Tetradic#323143, #433139, #424331

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#91AFA2
Lighter +30%#749989
Lighter +20%#5C7E6F
Lighter +10%#476055
Darker −10%#1B2621
Darker −20%#060807
Darker −30%#000000
Darker −40%#000000
More saturated +25%#23523D
Less saturated −25%#3A3A3A

Channel breakdown

R49
G67
B59
Red49 (19.2%)
Green67 (26.3%)
Blue59 (23.1%)
Hue153.33°
Saturation (HSL)15.52%
Lightness22.75%
Dominant channelGreen
Hex per channelR 31 · G 43 · B 3B

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Every value on this page was computed from “31433b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.