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Recognised as Colour

#28D2FD

  • #28D2FD
  • Cyan
  • Light
  • Nearest: Deep skyblue

#28D2FD is a cyan with RGB values 40, 210, 253 and HSL 192°, 98%, 57%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#28D2FD#28D2FD
HEX#28D2FD
RGBrgb(40, 210, 253)
RGB (0–1)0.1569, 0.8235, 0.9922
RGB percentages15.7%, 82.4%, 99.2%
HSLhsl(192.1, 98.2%, 57.5%)
HSV / HSBhsv(192.1, 84.2%, 99.2%)
CMYK84.2%, 17%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,675,453
CSS custom property--colour: #28D2FD;

Brightness & contrast

Relative luminance0.53636WCAG 2.x, 0 is black and 1 is white
Perceived brightness183.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.73:1
Contrast with white1.79:1WCAG normal text: Fail
Contrast with black11.73:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#D72D02

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B8CCFFno red cones; affects about 1% of men; ΔE 31.6 from the original
Deuteranopia#9DB9FDno green cones; the most common form, about 1% of men; ΔE 33.6 from the original
Tritanopia#00E0E0no blue cones; rare, and affects men and women equally; ΔE 26.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.79:1WCAG large text: Fail
Contrast with black, large text11.73:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 14.5Light skyblue · ΔE 16.2Sky blue · ΔE 16.3Dark turquoise · ΔE 23.6Medium turquoise · ΔE 26.6Light blue · ΔE 26.8
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 14.46, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FD5328
Analogous#28FDBE, #2867FD
Triadic#FD28D2, #D2FD28
Split complementary#FD2867, #FDBE28
Tetradic#BE28FD, #FD5328, #67FD28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2FCFF
Lighter +30%#C0F2FE
Lighter +20%#8DE7FE
Lighter +10%#5BDDFD
Darker −10%#02C0F0
Darker −20%#0297BD
Darker −30%#016F8B
Darker −40%#014758
More saturated +25%#26D3FF
Less saturated −25%#43C2E2

Channel breakdown

R40
G210
B253
Red40 (15.7%)
Green210 (82.4%)
Blue253 (99.2%)
Hue192.11°
Saturation (HSL)98.16%
Lightness57.45%
Dominant channelBlue
Hex per channelR 28 · G D2 · B FD

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Every value on this page was computed from “28d2fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.