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Colour

#28433B

  • #28433B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#28433B is a cyan with RGB values 40, 67, 59 and HSL 162°, 25%, 21%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#28433B#28433B
HEX#28433B
RGBrgb(40, 67, 59)
RGB (0–1)0.1569, 0.2627, 0.2314
RGB percentages15.7%, 26.3%, 23.1%
HSLhsl(162.2, 25.2%, 21%)
HSV / HSBhsv(162.2, 40.3%, 26.3%)
CMYK40.3%, 0%, 11.9%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,638,651
CSS custom property--colour: #28433B;

Brightness & contrast

Relative luminance0.04781WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.73:1
Contrast with white10.73:1WCAG normal text: AAA
Contrast with black1.96:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#D7BCC4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#41403Bno red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#3D3C3Cno green cones; the most common form, about 1% of men; ΔE 13 from the original
Tritanopia#204441no blue cones; rare, and affects men and women equally; ΔE 4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.73:1WCAG large text: AAA
Contrast with black, large text1.96:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 7.5Dim grey · ΔE 22.2Black · ΔE 29Teal · ΔE 29.3Gray · ΔE 30.2Slate grey · ΔE 31.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 7.46, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#432830
Analogous#28432E, #283E43
Triadic#3B2843, #433B28
Split complementary#43283E, #432E28
Tetradic#2D2843, #432830, #3D4328

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#82B5A6
Lighter +30%#62A28F
Lighter +20%#4E8373
Lighter +10%#3B6357
Darker −10%#15231F
Darker −20%#020303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B5040
Less saturated −25%#353636

Channel breakdown

R40
G67
B59
Red40 (15.7%)
Green67 (26.3%)
Blue59 (23.1%)
Hue162.22°
Saturation (HSL)25.23%
Lightness20.98%
Dominant channelGreen
Hex per channelR 28 · G 43 · B 3B

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Every value on this page was computed from “28433b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.