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Recognised as Colour

#33C4FF

  • #33C4FF
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#33C4FF is a cyan with RGB values 51, 196, 255 and HSL 197°, 100%, 60%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#33C4FF#33C4FF
HEX#33C4FF
RGBrgb(51, 196, 255)
RGB (0–1)0.2, 0.7686, 1
RGB percentages20%, 76.9%, 100%
HSLhsl(197.4, 100%, 60%)
HSV / HSBhsv(197.4, 80%, 100%)
CMYK80%, 23.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,392,767
CSS custom property--colour: #33C4FF;

Brightness & contrast

Relative luminance0.47404WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.48:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.48:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#CC3B00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A6C2FFno red cones; affects about 1% of men; ΔE 23.9 from the original
Deuteranopia#8BAFFEno green cones; the most common form, about 1% of men; ΔE 26.3 from the original
Tritanopia#00D4D8no blue cones; rare, and affects men and women equally; ΔE 34.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.48:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 3.5Light skyblue · ΔE 14.1Sky blue · ΔE 19.1Steel blue · ΔE 27Light steelblue · ΔE 29.7Light blue · ΔE 30.4
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 3.55, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF6E33
Analogous#33FFD4, #335EFF
Triadic#FF33C4, #C4FF33
Split complementary#FF335E, #FFD433
Tetradic#D433FF, #FF6E33, #5EFF33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#CCF0FF
Lighter +20%#99E2FF
Lighter +10%#66D3FF
Darker −10%#00B5FF
Darker −20%#0091CC
Darker −30%#006D99
Darker −40%#004866
More saturated +25%#33C4FF
Less saturated −25%#4CB9E6

Channel breakdown

R51
G196
B255
Red51 (20%)
Green196 (76.9%)
Blue255 (100%)
Hue197.35°
Saturation (HSL)100%
Lightness60%
Dominant channelBlue
Hex per channelR 33 · G C4 · B FF

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Every value on this page was computed from “33c4ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.