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Recognised as Colour

#28B0FF

  • #28B0FF
  • Blue
  • Dark
  • Nearest: Deep skyblue

#28B0FF is a blue with RGB values 40, 176, 255 and HSL 202°, 100%, 58%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#28B0FF#28B0FF
HEX#28B0FF
RGBrgb(40, 176, 255)
RGB (0–1)0.1569, 0.6902, 1
RGB percentages15.7%, 69%, 100%
HSLhsl(202, 100%, 57.8%)
HSV / HSBhsv(202, 84.3%, 100%)
CMYK84.3%, 31%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,666,751
CSS custom property--colour: #28B0FF;

Brightness & contrast

Relative luminance0.38722WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.74:1
Contrast with white2.4:1WCAG normal text: Fail
Contrast with black8.74:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#D74F00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8AB2FFno red cones; affects about 1% of men; ΔE 16.3 from the original
Deuteranopia#6D9FFEno green cones; the most common form, about 1% of men; ΔE 19.1 from the original
Tritanopia#00C4CCno blue cones; rare, and affects men and women equally; ΔE 44.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.4:1WCAG large text: Fail
Contrast with black, large text8.74:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.2Cornflower blue · ΔE 18.5Light skyblue · ΔE 23.3Steel blue · ΔE 23.4Dodgerblue · ΔE 24.9Sky blue · ΔE 30.3
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF7728
Analogous#28FFE2, #2845FF
Triadic#FF28B0, #B0FF28
Split complementary#FF2844, #FFE228
Tetradic#E328FF, #FF7728, #45FF28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4FBFF
Lighter +30%#C1E8FF
Lighter +20%#8ED5FF
Lighter +10%#5BC3FF
Darker −10%#009AF4
Darker −20%#007AC1
Darker −30%#005A8E
Darker −40%#003A5B
More saturated +25%#28B0FF
Less saturated −25%#43A9E4

Channel breakdown

R40
G176
B255
Red40 (15.7%)
Green176 (69%)
Blue255 (100%)
Hue202.05°
Saturation (HSL)100%
Lightness57.84%
Dominant channelBlue
Hex per channelR 28 · G B0 · B FF

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Every value on this page was computed from “28b0ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.