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Recognised as Colour

#DA1804

  • #DA1804
  • Red
  • Dark
  • Nearest: Orange red

#DA1804 is a red with RGB values 218, 24, 4 and HSL 6°, 96%, 44%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#DA1804#DA1804
HEX#DA1804
RGBrgb(218, 24, 4)
RGB (0–1)0.8549, 0.0941, 0.0157
RGB percentages85.5%, 9.4%, 1.6%
HSLhsl(5.6, 96.4%, 43.5%)
HSV / HSBhsv(5.6, 98.2%, 85.5%)
CMYK0%, 89%, 98.2%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,292,996
CSS custom property--colour: #DA1804;

Brightness & contrast

Relative luminance0.15567WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.11:1
Contrast with white5.11:1WCAG normal text: AA
Contrast with black4.11:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#25E7FB

Colour vision & accessibility

Protanopia#605400no red cones; affects about 1% of men; ΔE 74.6 from the original
Deuteranopia#8D7C00no green cones; the most common form, about 1% of men; ΔE 73.5 from the original
Tritanopia#F10019no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.11:1WCAG large text: AAA
Contrast with black, large text4.11:1WCAG large text: AA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 15.11, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#04C6DA
Analogous#DA045B, #DA8304
Triadic#04DA18, #1804DA
Split complementary#04DA83, #045BDA
Tetradic#5BDA04, #04C6DA, #8304DA

Tints, shades & saturation

Lighter +40%#FDB4AD
Lighter +30%#FD877A
Lighter +20%#FC5948
Lighter +10%#FB2C16
Darker −10%#A81203
Darker −20%#760D02
Darker −30%#440701
Darker −40%#120200
More saturated +25%#DE1500
Less saturated −25%#BE2F20

Channel breakdown

R218
G24
B4
Red218 (85.5%)
Green24 (9.4%)
Blue4 (1.6%)
Hue5.61°
Saturation (HSL)96.4%
Lightness43.53%
Dominant channelRed
Hex per channelR DA · G 18 · B 04

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Every value on this page was computed from “da1804” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.