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Recognised as Colour

#DA0103

  • #DA0103
  • Red
  • Dark
  • Nearest: Red

#DA0103 is a red with RGB values 218, 1, 3 and HSL 359°, 99%, 43%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#DA0103#DA0103
HEX#DA0103
RGBrgb(218, 1, 3)
RGB (0–1)0.8549, 0.0039, 0.0118
RGB percentages85.5%, 0.4%, 1.2%
HSLhsl(359.4, 99.1%, 42.9%)
HSV / HSBhsv(359.4, 99.5%, 85.5%)
CMYK0%, 99.5%, 98.6%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,287,107
CSS custom property--colour: #DA0103;

Brightness & contrast

Relative luminance0.14934WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.27:1
Contrast with white5.27:1WCAG normal text: AA
Contrast with black3.99:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#25FEFC

Colour vision & accessibility

Protanopia#5C5000no red cones; affects about 1% of men; ΔE 77 from the original
Deuteranopia#8B7B00no green cones; the most common form, about 1% of men; ΔE 76.4 from the original
Tritanopia#F1000Cno blue cones; rare, and affects men and women equally; ΔE 7.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.27:1WCAG large text: AAA
Contrast with black, large text3.99:1WCAG large text: AA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 14.54, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#01DAD8
Analogous#DA016F, #DA6C01
Triadic#03DA01, #0103DA
Split complementary#01DA6C, #016FDA
Tetradic#6FDA01, #01DAD8, #6C01DA

Tints, shades & saturation

Lighter +40%#FFA8A9
Lighter +30%#FE7677
Lighter +20%#FE4345
Lighter +10%#FE1012
Darker −10%#A70102
Darker −20%#740102
Darker −30%#420001
Darker −40%#0F0000
More saturated +25%#DB0002
Less saturated −25%#BF1C1E

Channel breakdown

R218
G1
B3
Red218 (85.5%)
Green1 (0.4%)
Blue3 (1.2%)
Hue359.45°
Saturation (HSL)99.09%
Lightness42.94%
Dominant channelRed
Hex per channelR DA · G 01 · B 03

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Every value on this page was computed from “da0103” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.