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Recognised as Colour

#83223F

  • #83223F
  • Red
  • Dark
  • Nearest: Brown

#83223F is a red with RGB values 131, 34, 63 and HSL 342°, 59%, 32%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#83223F#83223F
HEX#83223F
RGBrgb(131, 34, 63)
RGB (0–1)0.5137, 0.1333, 0.2471
RGB percentages51.4%, 13.3%, 24.7%
HSLhsl(342.1, 58.8%, 32.4%)
HSV / HSBhsv(342.1, 74%, 51.4%)
CMYK0%, 74%, 51.9%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,593,983
CSS custom property--colour: #83223F;

Brightness & contrast

Relative luminance0.06328WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.27:1
Contrast with white9.27:1WCAG normal text: AAA
Contrast with black2.27:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#7CDDC0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393B40no red cones; affects about 1% of men; ΔE 44.2 from the original
Deuteranopia#534E3Dno green cones; the most common form, about 1% of men; ΔE 44.6 from the original
Tritanopia#8F0E2Eno blue cones; rare, and affects men and women equally; ΔE 14.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.27:1WCAG large text: AAA
Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Brown · ΔE 26Indian red · ΔE 28Pale violetred · ΔE 31Maroon · ΔE 32.3Firebrick · ΔE 34.9Sienna · ΔE 35
Nearest named CSS colourBrown (#A52A2A)ΔE 26.02, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#228366
Analogous#83226F, #833622
Triadic#3F8322, #223F83
Split complementary#228336, #226F83
Tetradic#6F8322, #228366, #362283

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E28FA8
Lighter +30%#D76788
Lighter +20%#CD3E69
Lighter +10%#AB2D52
Darker −10%#5B172C
Darker −20%#320D18
Darker −30%#0A0205
Darker −40%#000000
More saturated +25%#980D37
Less saturated −25%#6E3747

Channel breakdown

R131
G34
B63
Red131 (51.4%)
Green34 (13.3%)
Blue63 (24.7%)
Hue342.06°
Saturation (HSL)58.79%
Lightness32.35%
Dominant channelRed
Hex per channelR 83 · G 22 · B 3F

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Every value on this page was computed from “83223f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.