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Recognised as Colour

#28A7C7

  • #28A7C7
  • Cyan
  • Dark
  • Nearest: Sky blue

#28A7C7 is a cyan with RGB values 40, 167, 199 and HSL 192°, 67%, 47%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#28A7C7#28A7C7
HEX#28A7C7
RGBrgb(40, 167, 199)
RGB (0–1)0.1569, 0.6549, 0.7804
RGB percentages15.7%, 65.5%, 78%
HSLhsl(192.1, 66.5%, 46.9%)
HSV / HSBhsv(192.1, 79.9%, 78%)
CMYK79.9%, 16.1%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,664,391
CSS custom property--colour: #28A7C7;

Brightness & contrast

Relative luminance0.32212WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.44:1
Contrast with white2.82:1WCAG normal text: Fail
Contrast with black7.44:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#D75838

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#93A2C9no red cones; affects about 1% of men; ΔE 26.4 from the original
Deuteranopia#7E93C7no green cones; the most common form, about 1% of men; ΔE 28.1 from the original
Tritanopia#00B1B1no blue cones; rare, and affects men and women equally; ΔE 20.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.82:1WCAG large text: Fail
Contrast with black, large text7.44:1WCAG large text: AAA

Named colours

Sky blue · ΔE 18Cadetblue · ΔE 18.8Deep skyblue · ΔE 19.5Light skyblue · ΔE 20.1Dark cyan · ΔE 21.9Steel blue · ΔE 22.3
Nearest named CSS colourSky blue (#87CEEB)ΔE 18.01, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C74828
Analogous#28C798, #2857C7
Triadic#C728A7, #A7C728
Split complementary#C72857, #C79828
Tetradic#9828C7, #C74828, #57C728

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7EBF4
Lighter +30%#9DDBEB
Lighter +20%#72CCE3
Lighter +10%#48BDDA
Darker −10%#1F839D
Darker −20%#176072
Darker −30%#0E3C48
Darker −40%#06181D
More saturated +25%#0AB9E5
Less saturated −25%#4695A9

Channel breakdown

R40
G167
B199
Red40 (15.7%)
Green167 (65.5%)
Blue199 (78%)
Hue192.08°
Saturation (HSL)66.53%
Lightness46.86%
Dominant channelBlue
Hex per channelR 28 · G A7 · B C7

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Every value on this page was computed from “28a7c7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.