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Recognised as Colour

#A64644

  • #A64644
  • Red
  • Dark
  • Nearest: Indian red

#A64644 is a red with RGB values 166, 70, 68 and HSL 1°, 42%, 46%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#A64644#A64644
HEX#A64644
RGBrgb(166, 70, 68)
RGB (0–1)0.651, 0.2745, 0.2667
RGB percentages65.1%, 27.5%, 26.7%
HSLhsl(1.2, 41.9%, 45.9%)
HSV / HSBhsv(1.2, 59%, 65.1%)
CMYK0%, 57.8%, 59%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,896,964
CSS custom property--colour: #A64644;

Brightness & contrast

Relative luminance0.12905WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.86:1
Contrast with white5.86:1WCAG normal text: AA
Contrast with black3.58:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#59B9BB

Colour vision & accessibility

Protanopia#5E5843no red cones; affects about 1% of men; ΔE 41.9 from the original
Deuteranopia#766C42no green cones; the most common form, about 1% of men; ΔE 42.3 from the original
Tritanopia#B53546no blue cones; rare, and affects men and women equally; ΔE 12.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.86:1WCAG large text: AAA
Contrast with black, large text3.58:1WCAG large text: AA

Named colours

Nearest named CSS colourIndian red (#CD5C5C)ΔE 12.07, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#44A4A6
Analogous#A64473, #A67744
Triadic#44A646, #4644A6
Split complementary#44A677, #4473A6
Tetradic#73A644, #44A4A6, #7744A6

Tints, shades & saturation

Lighter +40%#EACDCC
Lighter +30%#DBA9A8
Lighter +20%#CC8584
Lighter +10%#BE615F
Darker −10%#823735
Darker −20%#5E2726
Darker −30%#391818
Darker −40%#150909
More saturated +25%#C32A27
Less saturated −25%#896261

Channel breakdown

R166
G70
B68
Red166 (65.1%)
Green70 (27.5%)
Blue68 (26.7%)
Hue1.22°
Saturation (HSL)41.88%
Lightness45.88%
Dominant channelRed
Hex per channelR A6 · G 46 · B 44

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Every value on this page was computed from “a64644” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.