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Recognised as Colour

#CD391E

  • #CD391E
  • Red
  • Dark
  • Nearest: Firebrick

#CD391E is a red with RGB values 205, 57, 30 and HSL 9°, 74%, 46%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CD391E#CD391E
HEX#CD391E
RGBrgb(205, 57, 30)
RGB (0–1)0.8039, 0.2235, 0.1176
RGB percentages80.4%, 22.4%, 11.8%
HSLhsl(9.3, 74.5%, 46.1%)
HSV / HSBhsv(9.3, 85.4%, 80.4%)
CMYK0%, 72.2%, 85.4%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,449,502
CSS custom property--colour: #CD391E;

Brightness & contrast

Relative luminance0.15999WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5:1
Contrast with white5:1WCAG normal text: AA
Contrast with black4.2:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#32C6E1

Colour vision & accessibility

Protanopia#665A18no red cones; affects about 1% of men; ΔE 61.6 from the original
Deuteranopia#8B7B14no green cones; the most common form, about 1% of men; ΔE 61.6 from the original
Tritanopia#E20035no blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5:1WCAG large text: AAA
Contrast with black, large text4.2:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 13.7, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1EB2CD
Analogous#CD1E5A, #CD911E
Triadic#1ECD39, #391ECD
Split complementary#1ECD91, #1E5ACD
Tetradic#5ACD1E, #1EB2CD, #911ECD

Tints, shades & saturation

Lighter +40%#F6C9C1
Lighter +30%#EFA395
Lighter +20%#E97C68
Lighter +10%#E2553C
Darker −10%#A12D17
Darker −20%#742011
Darker −30%#48140A
Darker −40%#1B0804
More saturated +25%#EA2501
Less saturated −25%#B04D3B

Channel breakdown

R205
G57
B30
Red205 (80.4%)
Green57 (22.4%)
Blue30 (11.8%)
Hue9.26°
Saturation (HSL)74.47%
Lightness46.08%
Dominant channelRed
Hex per channelR CD · G 39 · B 1E

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Every value on this page was computed from “cd391e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.