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Recognised as Colour

#285F5D

  • #285F5D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#285F5D is a cyan with RGB values 40, 95, 93 and HSL 178°, 41%, 26%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#285F5D#285F5D
HEX#285F5D
RGBrgb(40, 95, 93)
RGB (0–1)0.1569, 0.3725, 0.3647
RGB percentages15.7%, 37.3%, 36.5%
HSLhsl(177.8, 40.7%, 26.5%)
HSV / HSBhsv(177.8, 57.9%, 37.3%)
CMYK57.9%, 0%, 2.1%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,645,853
CSS custom property--colour: #285F5D;

Brightness & contrast

Relative luminance0.09426WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.28:1
Contrast with white7.28:1WCAG normal text: AAA
Contrast with black2.89:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#D7A0A2

Colour vision & accessibility

Protanopia#5A5A5Dno red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#51545Eno green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#00625Eno blue cones; rare, and affects men and women equally; ΔE 6.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.28:1WCAG large text: AAA
Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.81, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#5F282A
Analogous#285F42, #28465F
Triadic#5D285F, #5F5D28
Split complementary#5F2846, #5F4228
Tetradic#41285F, #5F282A, #465F28

Tints, shades & saturation

Lighter +40%#87CCCA
Lighter +30%#63BDBA
Lighter +20%#46A7A3
Lighter +10%#378380
Darker −10%#193B3A
Darker −20%#0A1717
Darker −30%#000000
Darker −40%#000000
More saturated +25%#17706D
Less saturated −25%#394E4D

Channel breakdown

R40
G95
B93
Red40 (15.7%)
Green95 (37.3%)
Blue93 (36.5%)
Hue177.82°
Saturation (HSL)40.74%
Lightness26.47%
Dominant channelGreen
Hex per channelR 28 · G 5F · B 5D

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Every value on this page was computed from “285f5d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.