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Recognised as Colour

#900C24

  • #900C24
  • Red
  • Dark
  • Nearest: Brown

#900C24 is a red with RGB values 144, 12, 36 and HSL 349°, 85%, 31%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#900C24#900C24
HEX#900C24
RGBrgb(144, 12, 36)
RGB (0–1)0.5647, 0.0471, 0.1412
RGB percentages56.5%, 4.7%, 14.1%
HSLhsl(349.1, 84.6%, 30.6%)
HSV / HSBhsv(349.1, 91.7%, 56.5%)
CMYK0%, 91.7%, 75%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,440,292
CSS custom property--colour: #900C24;

Brightness & contrast

Relative luminance0.0632WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.28:1
Contrast with white9.28:1WCAG normal text: AAA
Contrast with black2.26:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#6FF3DB

Colour vision & accessibility

Protanopia#3A3624no red cones; affects about 1% of men; ΔE 55 from the original
Deuteranopia#5A511Fno green cones; the most common form, about 1% of men; ΔE 55 from the original
Tritanopia#9F0018no blue cones; rare, and affects men and women equally; ΔE 12.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.28:1WCAG large text: AAA
Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 9.5, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0C9078
Analogous#900C66, #90360C
Triadic#24900C, #0C2490
Split complementary#0C9036, #0C6690
Tetradic#66900C, #0C9078, #360C90

Tints, shades & saturation

Lighter +40%#F3758C
Lighter +30%#F04564
Lighter +20%#EC163D
Lighter +10%#BF1030
Darker −10%#610818
Darker −20%#32040C
Darker −30%#030001
Darker −40%#000000
More saturated +25%#9C001C
Less saturated −25%#7D2030

Channel breakdown

R144
G12
B36
Red144 (56.5%)
Green12 (4.7%)
Blue36 (14.1%)
Hue349.09°
Saturation (HSL)84.62%
Lightness30.59%
Dominant channelRed
Hex per channelR 90 · G 0C · B 24

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Every value on this page was computed from “900c24” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.