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Recognised as Colour

#A61024

  • #A61024
  • Red
  • Dark
  • Nearest: Firebrick

#A61024 is a red with RGB values 166, 16, 36 and HSL 352°, 82%, 36%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A61024#A61024
HEX#A61024
RGBrgb(166, 16, 36)
RGB (0–1)0.651, 0.0627, 0.1412
RGB percentages65.1%, 6.3%, 14.1%
HSLhsl(352, 82.4%, 35.7%)
HSV / HSBhsv(352, 90.4%, 65.1%)
CMYK0%, 90.4%, 78.3%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,883,108
CSS custom property--colour: #A61024;

Brightness & contrast

Relative luminance0.08605WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.72:1
Contrast with white7.72:1WCAG normal text: AAA
Contrast with black2.72:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#59EFDB

Colour vision & accessibility

Protanopia#453F23no red cones; affects about 1% of men; ΔE 60.9 from the original
Deuteranopia#695E1Eno green cones; the most common form, about 1% of men; ΔE 60.8 from the original
Tritanopia#B7001Bno blue cones; rare, and affects men and women equally; ΔE 11.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.72:1WCAG large text: AAA
Contrast with black, large text2.72:1WCAG large text: Fail

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 7.19, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#10A692
Analogous#A6106F, #A64710
Triadic#24A610, #1024A6
Split complementary#10A647, #106FA6
Tetradic#6FA610, #10A692, #4710A6

Tints, shades & saturation

Lighter +40%#F48E9C
Lighter +30%#F05F73
Lighter +20%#EB314A
Lighter +10%#D5142E
Darker −10%#770C1A
Darker −20%#490710
Darker −30%#1A0306
Darker −40%#000000
More saturated +25%#B60018
Less saturated −25%#8F2735

Channel breakdown

R166
G16
B36
Red166 (65.1%)
Green16 (6.3%)
Blue36 (14.1%)
Hue352°
Saturation (HSL)82.42%
Lightness35.69%
Dominant channelRed
Hex per channelR A6 · G 10 · B 24

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Every value on this page was computed from “a61024” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.