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Recognised as Colour

#02B4E8

  • #02B4E8
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#02B4E8 is a cyan with RGB values 2, 180, 232 and HSL 194°, 98%, 46%. 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

#02B4E8#02B4E8
HEX#02B4E8
RGBrgb(2, 180, 232)
RGB (0–1)0.0078, 0.7059, 0.9098
RGB percentages0.8%, 70.6%, 91%
HSLhsl(193.6, 98.3%, 45.9%)
HSV / HSBhsv(193.6, 99.1%, 91%)
CMYK99.1%, 22.4%, 0%, 9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer177,384
CSS custom property--colour: #02B4E8;

Brightness & contrast

Relative luminance0.38482WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.7:1
Contrast with white2.41:1WCAG normal text: Fail
Contrast with black8.7:1WCAG normal text: AAA
Greyscale equivalent#929292
Inverted#FD4B17

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#98B1EBno red cones; affects about 1% of men; ΔE 25.8 from the original
Deuteranopia#7E9FE7no green cones; the most common form, about 1% of men; ΔE 27.6 from the original
Tritanopia#00C3C5no blue cones; rare, and affects men and women equally; ΔE 30.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.41:1WCAG large text: Fail
Contrast with black, large text8.7:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 7.6Light skyblue · ΔE 16.6Sky blue · ΔE 19.4Steel blue · ΔE 22.8Cadetblue · ΔE 30Light steelblue · ΔE 30.1
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 7.59, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E83602
Analogous#02E8A9, #0241E8
Triadic#E802B4, #B4E802
Split complementary#E80241, #E8A902
Tetradic#A902E8, #E83602, #41E802

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8EEFE
Lighter +30%#85E3FE
Lighter +20%#52D7FE
Lighter +10%#20CBFD
Darker −10%#028DB5
Darker −20%#016683
Darker −30%#013E50
Darker −40%#00171E
More saturated +25%#00B5EA
Less saturated −25%#1FA4CB

Channel breakdown

R2
G180
B232
Red2 (0.8%)
Green180 (70.6%)
Blue232 (91%)
Hue193.57°
Saturation (HSL)98.29%
Lightness45.88%
Dominant channelBlue
Hex per channelR 02 · G B4 · B E8

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Every value on this page was computed from “02b4e8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.