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Recognised as Colour

#285C56

  • #285C56
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#285C56 is a cyan with RGB values 40, 92, 86 and HSL 173°, 39%, 26%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#285C56#285C56
HEX#285C56
RGBrgb(40, 92, 86)
RGB (0–1)0.1569, 0.3608, 0.3373
RGB percentages15.7%, 36.1%, 33.7%
HSLhsl(173.1, 39.4%, 25.9%)
HSV / HSBhsv(173.1, 56.5%, 36.1%)
CMYK56.5%, 0%, 6.5%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,645,078
CSS custom property--colour: #285C56;

Brightness & contrast

Relative luminance0.08777WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.62:1
Contrast with white7.62:1WCAG normal text: AAA
Contrast with black2.76:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#D7A3A9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#585756no red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#4F5157no green cones; the most common form, about 1% of men; ΔE 19.7 from the original
Tritanopia#065E5Ano blue cones; rare, and affects men and women equally; ΔE 5.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.62:1WCAG large text: AAA
Contrast with black, large text2.76:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.6Teal · ΔE 17.4Dim grey · ΔE 21Dark cyan · ΔE 21.5Slate grey · ΔE 25.7Cadetblue · ΔE 26.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.65, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C282E
Analogous#285C3C, #28485C
Triadic#56285C, #5C5628
Split complementary#5C2848, #5C3C28
Tetradic#3C285C, #5C282E, #485C28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86CAC2
Lighter +30%#62BBB1
Lighter +20%#47A398
Lighter +10%#378077
Darker −10%#193835
Darker −20%#091514
Darker −30%#000000
Darker −40%#000000
More saturated +25%#176C63
Less saturated −25%#384B49

Channel breakdown

R40
G92
B86
Red40 (15.7%)
Green92 (36.1%)
Blue86 (33.7%)
Hue173.08°
Saturation (HSL)39.39%
Lightness25.88%
Dominant channelGreen
Hex per channelR 28 · G 5C · B 56

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Every value on this page was computed from “285c56” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.