Nerdulator> put something in

Recognised as Colour

#A72127

  • #A72127
  • Red
  • Dark
  • Nearest: Brown

#A72127 is a red with RGB values 167, 33, 39 and HSL 357°, 67%, 39%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A72127#A72127
HEX#A72127
RGBrgb(167, 33, 39)
RGB (0–1)0.6549, 0.1294, 0.1529
RGB percentages65.5%, 12.9%, 15.3%
HSLhsl(357.3, 67%, 39.2%)
HSV / HSBhsv(357.3, 80.2%, 65.5%)
CMYK0%, 80.2%, 76.6%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,952,999
CSS custom property--colour: #A72127;

Brightness & contrast

Relative luminance0.0945WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.27:1
Contrast with white7.27:1WCAG normal text: AAA
Contrast with black2.89:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#58DED8

Colour vision & accessibility

Protanopia#4B4426no red cones; affects about 1% of men; ΔE 57 from the original
Deuteranopia#6C6122no green cones; the most common form, about 1% of men; ΔE 57.3 from the original
Tritanopia#B80025no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.27:1WCAG large text: AAA
Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 3.67, a close match
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#21A7A1
Analogous#A7216A, #A75E21
Triadic#27A721, #2127A7
Split complementary#21A75E, #216AA7
Tetradic#6AA721, #21A7A1, #5E21A7

Tints, shades & saturation

Lighter +40%#EEA6AA
Lighter +30%#E57C81
Lighter +20%#DD5158
Lighter +10%#D22931
Darker −10%#7C191D
Darker −20%#521013
Darker −30%#270809
Darker −40%#000000
More saturated +25%#C00810
Less saturated −25%#8E3A3E

Channel breakdown

R167
G33
B39
Red167 (65.5%)
Green33 (12.9%)
Blue39 (15.3%)
Hue357.31°
Saturation (HSL)67%
Lightness39.22%
Dominant channelRed
Hex per channelR A7 · G 21 · B 27

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “a72127” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.