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Recognised as Colour

#28C8E2

  • #28C8E2
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#28C8E2 is a cyan with RGB values 40, 200, 226 and HSL 188°, 76%, 52%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#28C8E2#28C8E2
HEX#28C8E2
RGBrgb(40, 200, 226)
RGB (0–1)0.1569, 0.7843, 0.8863
RGB percentages15.7%, 78.4%, 88.6%
HSLhsl(188.4, 76.2%, 52.2%)
HSV / HSBhsv(188.4, 82.3%, 88.6%)
CMYK82.3%, 11.5%, 0%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,672,866
CSS custom property--colour: #28C8E2;

Brightness & contrast

Relative luminance0.47251WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.45:1
Contrast with white2.01:1WCAG normal text: Fail
Contrast with black10.45:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#D7371D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B4C1E4no red cones; affects about 1% of men; ΔE 33.7 from the original
Deuteranopia#9CAFE2no green cones; the most common form, about 1% of men; ΔE 35.6 from the original
Tritanopia#00D3D0no blue cones; rare, and affects men and women equally; ΔE 18.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.01:1WCAG large text: Fail
Contrast with black, large text10.45:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 14.5Sky blue · ΔE 16.3Medium turquoise · ΔE 17.5Light skyblue · ΔE 20.6Light seagreen · ΔE 21Deep skyblue · ΔE 22.4
Nearest named CSS colourDark turquoise (#00CED1)ΔE 14.49, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E24228
Analogous#28E29F, #286BE2
Triadic#E228C8, #C8E228
Split complementary#E2286B, #E29F28
Tetradic#9F28E2, #E24228, #6BE228

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCF6FA
Lighter +30%#AFEAF4
Lighter +20%#82DFEE
Lighter +10%#55D3E8
Darker −10%#1AA7BD
Darker −20%#137F91
Darker −30%#0D5864
Darker −40%#073037
More saturated +25%#0BDDFF
Less saturated −25%#46B2C3

Channel breakdown

R40
G200
B226
Red40 (15.7%)
Green200 (78.4%)
Blue226 (88.6%)
Hue188.39°
Saturation (HSL)76.23%
Lightness52.16%
Dominant channelBlue
Hex per channelR 28 · G C8 · B E2

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Every value on this page was computed from “28c8e2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.