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Recognised as Colour

#E52E07

  • #E52E07
  • Red
  • Dark
  • Nearest: Orange red

#E52E07 is a red with RGB values 229, 46, 7 and HSL 11°, 94%, 46%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#E52E07#E52E07
HEX#E52E07
RGBrgb(229, 46, 7)
RGB (0–1)0.898, 0.1804, 0.0275
RGB percentages89.8%, 18%, 2.7%
HSLhsl(10.5, 94.1%, 46.3%)
HSV / HSBhsv(10.5, 96.9%, 89.8%)
CMYK0%, 79.9%, 96.9%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,019,527
CSS custom property--colour: #E52E07;

Brightness & contrast

Relative luminance0.18627WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.73:1
Contrast with white4.44:1WCAG normal text: Fail
Contrast with black4.73:1WCAG normal text: AA
Greyscale equivalent#525252
Inverted#1AD1F8

Colour vision & accessibility

Protanopia#6B5E00no red cones; affects about 1% of men; ΔE 73.1 from the original
Deuteranopia#978600no green cones; the most common form, about 1% of men; ΔE 72.7 from the original
Tritanopia#FD002Ano blue cones; rare, and affects men and women equally; ΔE 16.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.44:1WCAG large text: AA
Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 10.78, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#07BEE5
Analogous#E5074F, #E59D07
Triadic#07E52E, #2E07E5
Split complementary#07E59D, #074FE5
Tetradic#4FE507, #07BEE5, #9D07E5

Tints, shades & saturation

Lighter +40%#FDC7BB
Lighter +30%#FB9E8A
Lighter +20%#FA7558
Lighter +10%#F84B27
Darker −10%#B42405
Darker −20%#821A04
Darker −30%#511002
Darker −40%#1F0601
More saturated +25%#EC2900
Less saturated −25%#C74125

Channel breakdown

R229
G46
B7
Red229 (89.8%)
Green46 (18%)
Blue7 (2.7%)
Hue10.54°
Saturation (HSL)94.07%
Lightness46.27%
Dominant channelRed
Hex per channelR E5 · G 2E · B 07

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Every value on this page was computed from “e52e07” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.