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Recognised as Colour

#00C1DF

  • #00C1DF
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#00C1DF is a cyan with RGB values 0, 193, 223 and HSL 188°, 100%, 44%. It is a dark colour, so black text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#00C1DF#00C1DF
HEX#00C1DF
RGBrgb(0, 193, 223)
RGB (0–1)0, 0.7569, 0.8745
RGB percentages0%, 75.7%, 87.5%
HSLhsl(188.1, 100%, 43.7%)
HSV / HSBhsv(188.1, 100%, 87.5%)
CMYK100%, 13.5%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer49,631
CSS custom property--colour: #00C1DF;

Brightness & contrast

Relative luminance0.43468WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.69:1
Contrast with white2.17:1WCAG normal text: Fail
Contrast with black9.69:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#FF3E20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ACBAE1no red cones; affects about 1% of men; ΔE 33.7 from the original
Deuteranopia#93A8DFno green cones; the most common form, about 1% of men; ΔE 35.5 from the original
Tritanopia#00CCCAno blue cones; rare, and affects men and women equally; ΔE 19.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.17:1WCAG large text: Fail
Contrast with black, large text9.69:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 16.9Sky blue · ΔE 17.2Deep skyblue · ΔE 20.1Medium turquoise · ΔE 20.2Light skyblue · ΔE 20.4Light seagreen · ΔE 22.3
Nearest named CSS colourDark turquoise (#00CED1)ΔE 16.9, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF1E00
Analogous#00DF8D, #0052DF
Triadic#DF00C1, #C1DF00
Split complementary#DF0052, #DF8D00
Tetradic#8D00DF, #DF1E00, #52DF00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACF4FF
Lighter +30%#79EDFF
Lighter +20%#46E6FF
Lighter +10%#13DFFF
Darker −10%#0095AC
Darker −20%#006979
Darker −30%#003D46
Darker −40%#001013
More saturated +25%#00C1DF
Less saturated −25%#1CADC3

Channel breakdown

R0
G193
B223
Red0 (0%)
Green193 (75.7%)
Blue223 (87.5%)
Hue188.07°
Saturation (HSL)100%
Lightness43.73%
Dominant channelBlue
Hex per channelR 00 · G C1 · B DF

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Every value on this page was computed from “00c1df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.