Nerdulator> put something in

Recognised as Colour

#D52E03

  • #D52E03
  • Red
  • Dark
  • Nearest: Orange red

#D52E03 is a red with RGB values 213, 46, 3 and HSL 12°, 97%, 42%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#D52E03#D52E03
HEX#D52E03
RGBrgb(213, 46, 3)
RGB (0–1)0.8353, 0.1804, 0.0118
RGB percentages83.5%, 18%, 1.2%
HSLhsl(12.3, 97.2%, 42.4%)
HSV / HSBhsv(12.3, 98.6%, 83.5%)
CMYK0%, 78.4%, 98.6%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,970,947
CSS custom property--colour: #D52E03;

Brightness & contrast

Relative luminance0.16107WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.7 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#4E4E4E
Inverted#2AD1FC

Colour vision & accessibility

Protanopia#655800no red cones; affects about 1% of men; ΔE 67.9 from the original
Deuteranopia#8D7D00no green cones; the most common form, about 1% of men; ΔE 67.7 from the original
Tritanopia#EB0029no blue cones; rare, and affects men and women equally; ΔE 17.6 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 colourOrange red (#FF4500)ΔE 15.53, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#03AAD5
Analogous#D50341, #D59703
Triadic#03D52E, #2E03D5
Split complementary#03D597, #0341D5
Tetradic#41D503, #03AAD5, #9703D5

Tints, shades & saturation

Lighter +40%#FEB8A6
Lighter +30%#FD9074
Lighter +20%#FC6842
Lighter +10%#FC400F
Darker −10%#A32302
Darker −20%#701802
Darker −30%#3E0D01
Darker −40%#0C0300
More saturated +25%#D82C00
Less saturated −25%#BA3E1E

Channel breakdown

R213
G46
B3
Red213 (83.5%)
Green46 (18%)
Blue3 (1.2%)
Hue12.29°
Saturation (HSL)97.22%
Lightness42.35%
Dominant channelRed
Hex per channelR D5 · G 2E · B 03

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “d52e03” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.