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Recognised as Colour

#33D5FF

  • #33D5FF
  • Cyan
  • Light
  • Nearest: Deep skyblue

#33D5FF is a cyan with RGB values 51, 213, 255 and HSL 192°, 100%, 60%. It is a light colour, so black text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#33D5FF#33D5FF
HEX#33D5FF
RGBrgb(51, 213, 255)
RGB (0–1)0.2, 0.8353, 1
RGB percentages20%, 83.5%, 100%
HSLhsl(192.4, 100%, 60%)
HSV / HSBhsv(192.4, 80%, 100%)
CMYK80%, 16.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,397,119
CSS custom property--colour: #33D5FF;

Brightness & contrast

Relative luminance0.55512WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.1:1
Contrast with white1.74:1WCAG normal text: Fail
Contrast with black12.1:1WCAG normal text: AAA
Greyscale equivalent#B6B6B6
Inverted#CC2A00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BCCFFFno red cones; affects about 1% of men; ΔE 31.3 from the original
Deuteranopia#A1BCFFno green cones; the most common form, about 1% of men; ΔE 33.6 from the original
Tritanopia#00E3E2no blue cones; rare, and affects men and women equally; ΔE 26.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.74:1WCAG large text: Fail
Contrast with black, large text12.1:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 15.3Sky blue · ΔE 15.8Light skyblue · ΔE 16Dark turquoise · ΔE 23.3Medium turquoise · ΔE 26.1Light blue · ΔE 26.1
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 15.34, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF5D33
Analogous#33FFC3, #336FFF
Triadic#FF33D5, #D5FF33
Split complementary#FF336F, #FFC333
Tetradic#C333FF, #FF5D33, #6FFF33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#CCF4FF
Lighter +20%#99EAFF
Lighter +10%#66DFFF
Darker −10%#00CAFF
Darker −20%#00A2CC
Darker −30%#007999
Darker −40%#005166
More saturated +25%#33D5FF
Less saturated −25%#4CC6E6

Channel breakdown

R51
G213
B255
Red51 (20%)
Green213 (83.5%)
Blue255 (100%)
Hue192.35°
Saturation (HSL)100%
Lightness60%
Dominant channelBlue
Hex per channelR 33 · G D5 · B FF

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Every value on this page was computed from “33d5ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.