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Recognised as Colour

#28AEC8

  • #28AEC8
  • Cyan
  • Dark
  • Nearest: Cadetblue

#28AEC8 is a cyan with RGB values 40, 174, 200 and HSL 190°, 67%, 47%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#28AEC8#28AEC8
HEX#28AEC8
RGBrgb(40, 174, 200)
RGB (0–1)0.1569, 0.6824, 0.7843
RGB percentages15.7%, 68.2%, 78.4%
HSLhsl(189.8, 66.7%, 47.1%)
HSV / HSBhsv(189.8, 80%, 78.4%)
CMYK80%, 13%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,666,184
CSS custom property--colour: #28AEC8;

Brightness & contrast

Relative luminance0.34893WCAG 2.x, 0 is black and 1 is white
Perceived brightness151 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.98:1
Contrast with white2.63:1WCAG normal text: Fail
Contrast with black7.98:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#D75137

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CA8C9no red cones; affects about 1% of men; ΔE 29.2 from the original
Deuteranopia#8799C8no green cones; the most common form, about 1% of men; ΔE 30.6 from the original
Tritanopia#00B8B6no 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 text2.63:1WCAG large text: Fail
Contrast with black, large text7.98:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 17.4Sky blue · ΔE 17.4Dark turquoise · ΔE 19.8Dark cyan · ΔE 20.2Light seagreen · ΔE 20.6Light skyblue · ΔE 21.1
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 17.41, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C84228
Analogous#28C892, #285EC8
Triadic#C828AE, #AEC828
Split complementary#C8285E, #C89228
Tetradic#9228C8, #C84228, #5EC828

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8EDF4
Lighter +30%#9EDFEC
Lighter +20%#73D1E3
Lighter +10%#49C3DB
Darker −10%#20899D
Darker −20%#176473
Darker −30%#0F3F48
Darker −40%#061A1E
More saturated +25%#0AC2E6
Less saturated −25%#469AAA

Channel breakdown

R40
G174
B200
Red40 (15.7%)
Green174 (68.2%)
Blue200 (78.4%)
Hue189.75°
Saturation (HSL)66.67%
Lightness47.06%
Dominant channelBlue
Hex per channelR 28 · G AE · B C8

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Every value on this page was computed from “28aec8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.