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Recognised as Colour

#28635C

  • #28635C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#28635C is a cyan with RGB values 40, 99, 92 and HSL 173°, 42%, 27%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#28635C#28635C
HEX#28635C
RGBrgb(40, 99, 92)
RGB (0–1)0.1569, 0.3882, 0.3608
RGB percentages15.7%, 38.8%, 36.1%
HSLhsl(172.9, 42.4%, 27.3%)
HSV / HSBhsv(172.9, 59.6%, 38.8%)
CMYK59.6%, 0%, 7.1%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,646,876
CSS custom property--colour: #28635C;

Brightness & contrast

Relative luminance0.10148WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.93:1
Contrast with white6.93:1WCAG normal text: AA
Contrast with black3.03:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#D79CA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5E5E5Cno red cones; affects about 1% of men; ΔE 20.9 from the original
Deuteranopia#55575Dno green cones; the most common form, about 1% of men; ΔE 21.6 from the original
Tritanopia#006561no 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 text6.93:1WCAG large text: AAA
Contrast with black, large text3.03:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 11.7Teal · ΔE 14.5Dark cyan · ΔE 18.5Dim grey · ΔE 22Cadetblue · ΔE 23.8Slate grey · ΔE 25.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.68, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#63282F
Analogous#28633F, #284C63
Triadic#5C2863, #635C28
Split complementary#63284C, #633F28
Tetradic#3F2863, #63282F, #4C6328

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88CFC7
Lighter +30%#64C0B5
Lighter +20%#45ACA0
Lighter +10%#37877E
Darker −10%#193F3A
Darker −20%#0B1A18
Darker −30%#000000
Darker −40%#000000
More saturated +25%#177469
Less saturated −25%#39524F

Channel breakdown

R40
G99
B92
Red40 (15.7%)
Green99 (38.8%)
Blue92 (36.1%)
Hue172.88°
Saturation (HSL)42.45%
Lightness27.25%
Dominant channelGreen
Hex per channelR 28 · G 63 · B 5C

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Every value on this page was computed from “28635c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.