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Recognised as Colour

#C03301

  • #C03301
  • Orange
  • Dark
  • Nearest: Firebrick

#C03301 is a orange with RGB values 192, 51, 1 and HSL 16°, 99%, 38%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C03301#C03301
HEX#C03301
RGBrgb(192, 51, 1)
RGB (0–1)0.7529, 0.2, 0.0039
RGB percentages75.3%, 20%, 0.4%
HSLhsl(15.7, 99%, 37.8%)
HSV / HSBhsv(15.7, 99.5%, 75.3%)
CMYK0%, 73.4%, 99.5%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,595,969
CSS custom property--colour: #C03301;

Brightness & contrast

Relative luminance0.13576WCAG 2.x, 0 is black and 1 is white
Perceived brightness112 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.65:1
Contrast with white5.65:1WCAG normal text: AA
Contrast with black3.72:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#3FCCFE

Colour vision & accessibility

Protanopia#5F5300no red cones; affects about 1% of men; ΔE 59.6 from the original
Deuteranopia#827300no green cones; the most common form, about 1% of men; ΔE 59.3 from the original
Tritanopia#D4002Cno blue cones; rare, and affects men and women equally; ΔE 22.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.65:1WCAG large text: AAA
Contrast with black, large text3.72:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 18.46, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#018EC0
Analogous#C0012E, #C09301
Triadic#01C033, #3301C0
Split complementary#01C092, #012FC0
Tetradic#2FC001, #018EC0, #9201C0

Tints, shades & saturation

Lighter +40%#FEAC8F
Lighter +30%#FE865C
Lighter +20%#FE6129
Lighter +10%#F34001
Darker −10%#8D2601
Darker −20%#5B1800
Darker −30%#280B00
Darker −40%#000000
More saturated +25%#C13300
Less saturated −25%#A83E19

Channel breakdown

R192
G51
B1
Red192 (75.3%)
Green51 (20%)
Blue1 (0.4%)
Hue15.71°
Saturation (HSL)98.96%
Lightness37.84%
Dominant channelRed
Hex per channelR C0 · G 33 · B 01

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Every value on this page was computed from “c03301” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.