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Colour

#E10407

  • #E10407
  • Red
  • Dark
  • Nearest: Red

#E10407 is a red with RGB values 225, 4, 7 and HSL 359°, 97%, 45%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#E10407#E10407
HEX#E10407
RGBrgb(225, 4, 7)
RGB (0–1)0.8824, 0.0157, 0.0275
RGB percentages88.2%, 1.6%, 2.7%
HSLhsl(359.2, 96.5%, 44.9%)
HSV / HSBhsv(359.2, 98.2%, 88.2%)
CMYK0%, 98.2%, 96.9%, 11.8%naive device-independent conversion; real print needs an ICC profile
24-bit integer14,746,631
CSS custom property--colour: #E10407;

Brightness & contrast

Relative luminance0.1611WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.97:1
Contrast with white4.97:1WCAG normal text: AA
Contrast with black4.22:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#1EFBF8

Colour vision & accessibility

Protanopia#5F5300no red cones; affects about 1% of men; ΔE 78.6 from the original
Deuteranopia#907F00no green cones; the most common form, about 1% of men; ΔE 77.7 from the original
Tritanopia#F90010no blue cones; rare, and affects men and women equally; ΔE 8.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.97:1WCAG large text: AAA
Contrast with black, large text4.22:1WCAG large text: AA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 12.61, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#04E1DE
Analogous#E10475, #E16F04
Triadic#07E104, #0407E1
Split complementary#04E16F, #0476E1
Tetradic#76E104, #04E1DE, #7004E1

Tints, shades & saturation

Lighter +40%#FEB3B4
Lighter +30%#FD8183
Lighter +20%#FC4F51
Lighter +10%#FB1D20
Darker −10%#AF0305
Darker −20%#7D0204
Darker −30%#4B0102
Darker −40%#190001
More saturated +25%#E50003
Less saturated −25%#C42123

Channel breakdown

R225
G4
B7
Red225 (88.2%)
Green4 (1.6%)
Blue7 (2.7%)
Hue359.19°
Saturation (HSL)96.51%
Lightness44.9%
Dominant channelRed
Hex per channelR E1 · G 04 · B 07

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Every value on this page was computed from “e10407” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.