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Recognised as Colour

#04D8FC

  • #04D8FC
  • Cyan
  • Light
  • Nearest: Sky blue

#04D8FC is a cyan with RGB values 4, 216, 252 and HSL 189°, 98%, 50%. It is a light colour, so black text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#04D8FC#04D8FC
HEX#04D8FC
RGBrgb(4, 216, 252)
RGB (0–1)0.0157, 0.8471, 0.9882
RGB percentages1.6%, 84.7%, 98.8%
HSLhsl(188.7, 97.6%, 50.2%)
HSV / HSBhsv(188.7, 98.4%, 98.8%)
CMYK98.4%, 14.3%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer317,692
CSS custom property--colour: #04D8FC;

Brightness & contrast

Relative luminance0.56166WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.23:1
Contrast with white1.72:1WCAG normal text: Fail
Contrast with black12.23:1WCAG normal text: AAA
Greyscale equivalent#AEAEAE
Inverted#FB2703

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BFD1FEno red cones; affects about 1% of men; ΔE 35.4 from the original
Deuteranopia#A4BDFCno green cones; the most common form, about 1% of men; ΔE 37.7 from the original
Tritanopia#00E5E3no blue cones; rare, and affects men and women equally; ΔE 22.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.72:1WCAG large text: Fail
Contrast with black, large text12.23:1WCAG large text: AAA

Named colours

Sky blue · ΔE 18.5Dark turquoise · ΔE 19.1Deep skyblue · ΔE 19.9Light skyblue · ΔE 20.4Medium turquoise · ΔE 22.5Aqua · ΔE 25.8
Nearest named CSS colourSky blue (#87CEEB)ΔE 18.45, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FC2804
Analogous#04FCA4, #045CFC
Triadic#FC04D8, #D8FC04
Split complementary#FC045C, #FCA404
Tetradic#A404FC, #FC2804, #5CFC04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEF7FE
Lighter +30%#9BEFFE
Lighter +20%#69E8FD
Lighter +10%#36E0FD
Darker −10%#02AECB
Darker −20%#028298
Darker −30%#015766
Darker −40%#012C33
More saturated +25%#01DAFF
Less saturated −25%#24C1DC

Channel breakdown

R4
G216
B252
Red4 (1.6%)
Green216 (84.7%)
Blue252 (98.8%)
Hue188.71°
Saturation (HSL)97.64%
Lightness50.2%
Dominant channelBlue
Hex per channelR 04 · G D8 · B FC

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Every value on this page was computed from “04d8fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.