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Recognised as Colour

#03E5F4

  • #03E5F4
  • Cyan
  • Light
  • Nearest: Dark turquoise

#03E5F4 is a cyan with RGB values 3, 229, 244 and HSL 184°, 98%, 48%. It is a light colour, so black text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#03E5F4#03E5F4
HEX#03E5F4
RGBrgb(3, 229, 244)
RGB (0–1)0.0118, 0.898, 0.9569
RGB percentages1.2%, 89.8%, 95.7%
HSLhsl(183.7, 97.6%, 48.4%)
HSV / HSBhsv(183.7, 98.8%, 95.7%)
CMYK98.8%, 6.1%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer255,476
CSS custom property--colour: #03E5F4;

Brightness & contrast

Relative luminance0.6259WCAG 2.x, 0 is black and 1 is white
Perceived brightness193.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.52:1
Contrast with white1.55:1WCAG normal text: Fail
Contrast with black13.52:1WCAG normal text: AAA
Greyscale equivalent#B6B6B6
Inverted#FC1A0B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1DBF5no red cones; affects about 1% of men; ΔE 42.3 from the original
Deuteranopia#B6C7F5no green cones; the most common form, about 1% of men; ΔE 44.2 from the original
Tritanopia#00EFE9no blue cones; rare, and affects men and women equally; ΔE 12.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.55:1WCAG large text: Fail
Contrast with black, large text13.52:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 10.4Aqua · ΔE 13Cyan · ΔE 13Medium turquoise · ΔE 13.7Turquoise · ΔE 16.9Light seagreen · ΔE 22.4
Nearest named CSS colourDark turquoise (#00CED1)ΔE 10.41, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F41203
Analogous#03F48B, #036CF4
Triadic#F403E5, #E5F403
Split complementary#F4036D, #F48B03
Tetradic#8A03F4, #F41203, #6DF403

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5FBFE
Lighter +30%#92F7FE
Lighter +20%#60F3FD
Lighter +10%#2EF0FC
Darker −10%#02B6C2
Darker −20%#02868F
Darker −30%#01575D
Darker −40%#01282A
More saturated +25%#00E8F7
Less saturated −25%#22CAD5

Channel breakdown

R3
G229
B244
Red3 (1.2%)
Green229 (89.8%)
Blue244 (95.7%)
Hue183.73°
Saturation (HSL)97.57%
Lightness48.43%
Dominant channelBlue
Hex per channelR 03 · G E5 · B F4

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Every value on this page was computed from “03e5f4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.