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Recognised as Colour

#0B281A

  • #0B281A
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0B281A is a cyan with RGB values 11, 40, 26 and HSL 151°, 57%, 10%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B281A#0B281A
HEX#0B281A
RGBrgb(11, 40, 26)
RGB (0–1)0.0431, 0.1569, 0.102
RGB percentages4.3%, 15.7%, 10.2%
HSLhsl(151, 56.9%, 10%)
HSV / HSBhsv(151, 72.5%, 15.7%)
CMYK72.5%, 0%, 35%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer731,162
CSS custom property--colour: #0B281A;

Brightness & contrast

Relative luminance0.01663WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.76:1
Contrast with white15.76:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#F4D7E5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#272519no red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#23221Bno green cones; the most common form, about 1% of men; ΔE 14.1 from the original
Tritanopia#022824no blue cones; rare, and affects men and women equally; ΔE 7.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.76:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.5Black · ΔE 21.2Dim grey · ΔE 34.8Dark olivegreen · ΔE 37.9Teal · ΔE 40Gray · ΔE 43.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.45, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#280B19
Analogous#0B280C, #0B2828
Triadic#1A0B28, #281A0B
Split complementary#280B27, #280C0B
Tetradic#0C0B28, #280B19, #27280B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#37C882
Lighter +30%#2CA068
Lighter +20%#21784E
Lighter +10%#165034
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#052E1A
Less saturated −25%#11221A

Channel breakdown

R11
G40
B26
Red11 (4.3%)
Green40 (15.7%)
Blue26 (10.2%)
Hue151.03°
Saturation (HSL)56.86%
Lightness10%
Dominant channelGreen
Hex per channelR 0B · G 28 · B 1A

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Every value on this page was computed from “0b281a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.