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Recognised as Colour

#25C7E4

  • #25C7E4
  • Cyan
  • Dark
  • Nearest: Sky blue

#25C7E4 is a cyan with RGB values 37, 199, 228 and HSL 189°, 78%, 52%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#25C7E4#25C7E4
HEX#25C7E4
RGBrgb(37, 199, 228)
RGB (0–1)0.1451, 0.7804, 0.8941
RGB percentages14.5%, 78%, 89.4%
HSLhsl(189.1, 78%, 52%)
HSV / HSBhsv(189.1, 83.8%, 89.4%)
CMYK83.8%, 12.7%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,476,004
CSS custom property--colour: #25C7E4;

Brightness & contrast

Relative luminance0.46842WCAG 2.x, 0 is black and 1 is white
Perceived brightness172 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.37:1
Contrast with white2.03:1WCAG normal text: Fail
Contrast with black10.37:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#DA381B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B2C0E6no red cones; affects about 1% of men; ΔE 33.2 from the original
Deuteranopia#9AAFE4no green cones; the most common form, about 1% of men; ΔE 34.6 from the original
Tritanopia#00D2D0no blue cones; rare, and affects men and women equally; ΔE 19.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.03:1WCAG large text: Fail
Contrast with black, large text10.37:1WCAG large text: AAA

Named colours

Sky blue · ΔE 15.9Dark turquoise · ΔE 16.2Medium turquoise · ΔE 19.2Light skyblue · ΔE 19.5Deep skyblue · ΔE 20.6Light seagreen · ΔE 22.5
Nearest named CSS colourSky blue (#87CEEB)ΔE 15.92, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E44225
Analogous#25E4A1, #2568E4
Triadic#E425C7, #C7E425
Split complementary#E42568, #E4A225
Tetradic#A125E4, #E44225, #67E425

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBF6FA
Lighter +30%#ADEAF5
Lighter +20%#80DEEF
Lighter +10%#52D3EA
Darker −10%#18A5BE
Darker −20%#127E91
Darker −30%#0C5664
Darker −40%#072F36
More saturated +25%#0ADAFF
Less saturated −25%#44B2C5

Channel breakdown

R37
G199
B228
Red37 (14.5%)
Green199 (78%)
Blue228 (89.4%)
Hue189.11°
Saturation (HSL)77.96%
Lightness51.96%
Dominant channelBlue
Hex per channelR 25 · G C7 · B E4

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Every value on this page was computed from “25c7e4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.