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Colour

#028E9D

  • #028E9D
  • Cyan
  • Dark
  • Nearest: Dark cyan

#028E9D is a cyan with RGB values 2, 142, 157 and HSL 186°, 97%, 31%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#028E9D#028E9D
HEX#028E9D
RGBrgb(2, 142, 157)
RGB (0–1)0.0078, 0.5569, 0.6157
RGB percentages0.8%, 55.7%, 61.6%
HSLhsl(185.8, 97.5%, 31.2%)
HSV / HSBhsv(185.8, 98.7%, 61.6%)
CMYK98.7%, 9.6%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer167,581
CSS custom property--colour: #028E9D;

Brightness & contrast

Relative luminance0.21793WCAG 2.x, 0 is black and 1 is white
Perceived brightness121 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.36:1
Contrast with white3.92:1WCAG normal text: Fail
Contrast with black5.36:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#FD7162

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#80889Eno red cones; affects about 1% of men; ΔE 28.5 from the original
Deuteranopia#6E7B9Dno green cones; the most common form, about 1% of men; ΔE 29.7 from the original
Tritanopia#009592no blue cones; rare, and affects men and women equally; ΔE 11.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.92:1WCAG large text: AA
Contrast with black, large text5.36:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 9.3Teal · ΔE 10.5Cadetblue · ΔE 13.7Light seagreen · ΔE 19.7Light slate grey · ΔE 24.6Slate grey · ΔE 24.8
Nearest named CSS colourDark cyan (#008B8B)ΔE 9.34, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9D1102
Analogous#029D5E, #02419D
Triadic#9D028E, #8E9D02
Split complementary#9D0241, #9D5F02
Tetradic#5E029D, #9D1102, #409D02

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6EEFFD
Lighter +30%#3BEAFD
Lighter +20%#09E4FC
Lighter +10%#03BCCF
Darker −10%#01606B
Darker −20%#013338
Darker −30%#000506
Darker −40%#000000
More saturated +25%#00909F
Less saturated −25%#167E89

Channel breakdown

R2
G142
B157
Red2 (0.8%)
Green142 (55.7%)
Blue157 (61.6%)
Hue185.81°
Saturation (HSL)97.48%
Lightness31.18%
Dominant channelBlue
Hex per channelR 02 · G 8E · B 9D

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Every value on this page was computed from “028e9d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.