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Recognised as Colour

#03C8CB

  • #03C8CB
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#03C8CB is a cyan with RGB values 3, 200, 203 and HSL 181°, 97%, 40%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#03C8CB#03C8CB
HEX#03C8CB
RGBrgb(3, 200, 203)
RGB (0–1)0.0118, 0.7843, 0.7961
RGB percentages1.2%, 78.4%, 79.6%
HSLhsl(180.9, 97.1%, 40.4%)
HSV / HSBhsv(180.9, 98.5%, 79.6%)
CMYK98.5%, 1.5%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer248,011
CSS custom property--colour: #03C8CB;

Brightness & contrast

Relative luminance0.4564WCAG 2.x, 0 is black and 1 is white
Perceived brightness167.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.13:1
Contrast with white2.07:1WCAG normal text: Fail
Contrast with black10.13:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#FC3734

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9BECBno red cones; affects about 1% of men; ΔE 40.5 from the original
Deuteranopia#A2ADCCno green cones; the most common form, about 1% of men; ΔE 42.1 from the original
Tritanopia#00CFC8no blue cones; rare, and affects men and women equally; ΔE 6.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.07:1WCAG large text: Fail
Contrast with black, large text10.13:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 2.2Medium turquoise · ΔE 6.3Light seagreen · ΔE 10.3Turquoise · ΔE 13.2Aqua · ΔE 20Cyan · ΔE 20
Nearest named CSS colourDark turquoise (#00CED1)ΔE 2.23, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB0603
Analogous#03CB6A, #0364CB
Triadic#CB03C8, #C8CB03
Split complementary#CB0364, #CB6A03
Tetradic#6A03CB, #CB0603, #64CB03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9CFCFE
Lighter +30%#6AFBFD
Lighter +20%#38F9FC
Lighter +10%#06F8FB
Darker −10%#029699
Darker −20%#026566
Darker −30%#013334
Darker −40%#000202
More saturated +25%#00CBCE
Less saturated −25%#1DAFB1

Channel breakdown

R3
G200
B203
Red3 (1.2%)
Green200 (78.4%)
Blue203 (79.6%)
Hue180.9°
Saturation (HSL)97.09%
Lightness40.39%
Dominant channelBlue
Hex per channelR 03 · G C8 · B CB

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Every value on this page was computed from “03c8cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.