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Recognised as Colour

#03DDE3

  • #03DDE3
  • Cyan
  • Light
  • Nearest: Dark turquoise

#03DDE3 is a cyan with RGB values 3, 221, 227 and HSL 182°, 97%, 45%. It is a light colour, so black text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#03DDE3#03DDE3
HEX#03DDE3
RGBrgb(3, 221, 227)
RGB (0–1)0.0118, 0.8667, 0.8902
RGB percentages1.2%, 86.7%, 89%
HSLhsl(181.6, 97.4%, 45.1%)
HSV / HSBhsv(181.6, 98.7%, 89%)
CMYK98.7%, 2.6%, 0%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer253,411
CSS custom property--colour: #03DDE3;

Brightness & contrast

Relative luminance0.57278WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.46:1
Contrast with white1.69:1WCAG normal text: Fail
Contrast with black12.46:1WCAG normal text: AAA
Greyscale equivalent#AFAFAF
Inverted#FC221C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CCD2E4no red cones; affects about 1% of men; ΔE 43.3 from the original
Deuteranopia#B2BFE4no green cones; the most common form, about 1% of men; ΔE 45 from the original
Tritanopia#00E5DEno blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.69:1WCAG large text: Fail
Contrast with black, large text12.46:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 5.6Medium turquoise · ΔE 8.9Turquoise · ΔE 11.9Aqua · ΔE 12.8Cyan · ΔE 12.8Light seagreen · ΔE 17.7
Nearest named CSS colourDark turquoise (#00CED1)ΔE 5.6, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E30903
Analogous#03E379, #036DE3
Triadic#E303DD, #DDE303
Split complementary#E3036D, #E37903
Tetradic#7903E3, #E30903, #6DE303

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B4FCFE
Lighter +30%#82FAFD
Lighter +20%#4FF8FD
Lighter +10%#1DF6FC
Darker −10%#02ACB1
Darker −20%#027B7E
Darker −30%#014A4C
Darker −40%#00191A
More saturated +25%#00E0E6
Less saturated −25%#20C2C6

Channel breakdown

R3
G221
B227
Red3 (1.2%)
Green221 (86.7%)
Blue227 (89%)
Hue181.61°
Saturation (HSL)97.39%
Lightness45.1%
Dominant channelBlue
Hex per channelR 03 · G DD · B E3

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Every value on this page was computed from “03dde3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.