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Recognised as Colour

#8A1421

  • #8A1421
  • Red
  • Dark
  • Nearest: Brown

#8A1421 is a red with RGB values 138, 20, 33 and HSL 353°, 75%, 31%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#8A1421#8A1421
HEX#8A1421
RGBrgb(138, 20, 33)
RGB (0–1)0.5412, 0.0784, 0.1294
RGB percentages54.1%, 7.8%, 12.9%
HSLhsl(353.4, 74.7%, 31%)
HSV / HSBhsv(353.4, 85.5%, 54.1%)
CMYK0%, 85.5%, 76.1%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,049,121
CSS custom property--colour: #8A1421;

Brightness & contrast

Relative luminance0.06013WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.53:1
Contrast with white9.53:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#75EBDE

Colour vision & accessibility

Protanopia#3A3520no red cones; affects about 1% of men; ΔE 51.2 from the original
Deuteranopia#574E1Dno green cones; the most common form, about 1% of men; ΔE 51.2 from the original
Tritanopia#98001Bno blue cones; rare, and affects men and women equally; ΔE 9.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.53:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 9.75, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#148A7D
Analogous#8A145C, #8A4214
Triadic#218A14, #14218A
Split complementary#148A42, #145C8A
Tetradic#5C8A14, #148A7D, #42148A

Tints, shades & saturation

Lighter +40%#EC7E8A
Lighter +30%#E65162
Lighter +20%#DF2539
Lighter +10%#B71A2C
Darker −10%#5D0E16
Darker −20%#31070C
Darker −30%#040101
Darker −40%#000000
More saturated +25%#9E0012
Less saturated −25%#762830

Channel breakdown

R138
G20
B33
Red138 (54.1%)
Green20 (7.8%)
Blue33 (12.9%)
Hue353.39°
Saturation (HSL)74.68%
Lightness30.98%
Dominant channelRed
Hex per channelR 8A · G 14 · B 21

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Every value on this page was computed from “8a1421” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.