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Colour

#15211D

  • #15211D
  • Cyan
  • Dark
  • Nearest: Black

#15211D is a cyan with RGB values 21, 33, 29 and HSL 160°, 22%, 11%. It is a dark colour, so white text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#15211D#15211D
HEX#15211D
RGBrgb(21, 33, 29)
RGB (0–1)0.0824, 0.1294, 0.1137
RGB percentages8.2%, 12.9%, 11.4%
HSLhsl(160, 22.2%, 10.6%)
HSV / HSBhsv(160, 36.4%, 12.9%)
CMYK36.4%, 0%, 12.1%, 87.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,384,733
CSS custom property--colour: #15211D;

Brightness & contrast

Relative luminance0.01336WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.57:1
Contrast with white16.57:1WCAG normal text: AAA
Contrast with black1.27:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#EADEE2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#201F1Dno red cones; affects about 1% of men; ΔE 6.4 from the original
Deuteranopia#1E1E1Dno green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#122120no blue cones; rare, and affects men and women equally; ΔE 2.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.57:1WCAG large text: AAA
Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Black · ΔE 13.2Dark slate grey · ΔE 21Dim grey · ΔE 33.5Gray · ΔE 42.6Slate grey · ΔE 43.1Teal · ΔE 44.1
Nearest named CSS colourBlack (#000000)ΔE 13.22, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#211519
Analogous#152117, #151F21
Triadic#1D1521, #211D15
Split complementary#21151F, #211715
Tetradic#171521, #211519, #1F2115

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#659D8A
Lighter +30%#517F6F
Lighter +20%#3D5F54
Lighter +10%#294038
Darker −10%#010202
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0E281F
Less saturated −25%#1B1B1B

Channel breakdown

R21
G33
B29
Red21 (8.2%)
Green33 (12.9%)
Blue29 (11.4%)
Hue160°
Saturation (HSL)22.22%
Lightness10.59%
Dominant channelGreen
Hex per channelR 15 · G 21 · B 1D

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Every value on this page was computed from “15211d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.