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Recognised as Colour

#D33606

  • #D33606
  • Red
  • Dark
  • Nearest: Orange red

#D33606 is a red with RGB values 211, 54, 6 and HSL 14°, 94%, 43%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#D33606#D33606
HEX#D33606
RGBrgb(211, 54, 6)
RGB (0–1)0.8275, 0.2118, 0.0235
RGB percentages82.7%, 21.2%, 2.4%
HSLhsl(14, 94.5%, 42.5%)
HSV / HSBhsv(14, 97.2%, 82.7%)
CMYK0%, 74.4%, 97.2%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,841,926
CSS custom property--colour: #D33606;

Brightness & contrast

Relative luminance0.165WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.88:1
Contrast with white4.88:1WCAG normal text: AA
Contrast with black4.3:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#2CC9F9

Colour vision & accessibility

Protanopia#685B00no red cones; affects about 1% of men; ΔE 64.8 from the original
Deuteranopia#8E7E00no green cones; the most common form, about 1% of men; ΔE 64.8 from the original
Tritanopia#E90030no blue cones; rare, and affects men and women equally; ΔE 21.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.88:1WCAG large text: AAA
Contrast with black, large text4.3:1WCAG large text: AA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 17.01, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#06A3D3
Analogous#D3063C, #D39D06
Triadic#06D336, #3606D3
Split complementary#06D39C, #063DD3
Tetradic#3CD306, #06A3D3, #9C06D3

Tints, shades & saturation

Lighter +40%#FDBCA8
Lighter +30%#FB9677
Lighter +20%#FA7045
Lighter +10%#F84914
Darker −10%#A12905
Darker −20%#701D03
Darker −30%#3E1002
Darker −40%#0D0300
More saturated +25%#D93300
Less saturated −25%#B84421

Channel breakdown

R211
G54
B6
Red211 (82.7%)
Green54 (21.2%)
Blue6 (2.4%)
Hue14.05°
Saturation (HSL)94.47%
Lightness42.55%
Dominant channelRed
Hex per channelR D3 · G 36 · B 06

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Every value on this page was computed from “d33606” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.