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Recognised as Colour

#A42102

  • #A42102
  • Red
  • Dark
  • Nearest: Dark red

#A42102 is a red with RGB values 164, 33, 2 and HSL 11°, 98%, 33%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#A42102#A42102
HEX#A42102
RGBrgb(164, 33, 2)
RGB (0–1)0.6431, 0.1294, 0.0078
RGB percentages64.3%, 12.9%, 0.8%
HSLhsl(11.5, 97.6%, 32.5%)
HSV / HSBhsv(11.5, 98.8%, 64.3%)
CMYK0%, 79.9%, 98.8%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,756,354
CSS custom property--colour: #A42102;

Brightness & contrast

Relative luminance0.08985WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.51:1
Contrast with white7.51:1WCAG normal text: AAA
Contrast with black2.8:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#5BDEFD

Colour vision & accessibility

Protanopia#4C4200no red cones; affects about 1% of men; ΔE 56 from the original
Deuteranopia#6C5F00no green cones; the most common form, about 1% of men; ΔE 55.6 from the original
Tritanopia#B5001Dno blue cones; rare, and affects men and women equally; ΔE 14.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.51:1WCAG large text: AAA
Contrast with black, large text2.8:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark red (#8B0000)ΔE 10.55, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0285A4
Analogous#A40234, #A47202
Triadic#02A421, #2102A4
Split complementary#02A472, #0234A4
Tetradic#34A402, #0285A4, #7202A4

Tints, shades & saturation

Lighter +40%#FD8F75
Lighter +30%#FD6642
Lighter +20%#FC3D10
Lighter +10%#D62B03
Darker −10%#721701
Darker −20%#3F0D01
Darker −30%#0D0300
Darker −40%#000000
More saturated +25%#A62000
Less saturated −25%#8F2E17

Channel breakdown

R164
G33
B2
Red164 (64.3%)
Green33 (12.9%)
Blue2 (0.8%)
Hue11.48°
Saturation (HSL)97.59%
Lightness32.55%
Dominant channelRed
Hex per channelR A4 · G 21 · B 02

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Every value on this page was computed from “a42102” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.