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Recognised as Colour

#80283F

  • #80283F
  • Red
  • Dark
  • Nearest: Brown

#80283F is a red with RGB values 128, 40, 63 and HSL 344°, 52%, 33%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#80283F#80283F
HEX#80283F
RGBrgb(128, 40, 63)
RGB (0–1)0.502, 0.1569, 0.2471
RGB percentages50.2%, 15.7%, 24.7%
HSLhsl(344.3, 52.4%, 32.9%)
HSV / HSBhsv(344.3, 68.8%, 50.2%)
CMYK0%, 68.8%, 50.8%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,398,911
CSS custom property--colour: #80283F;

Brightness & contrast

Relative luminance0.06466WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.16:1
Contrast with white9.16:1WCAG normal text: AAA
Contrast with black2.29:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#7FD7C0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C3D3Fno red cones; affects about 1% of men; ΔE 40.8 from the original
Deuteranopia#534E3Dno green cones; the most common form, about 1% of men; ΔE 41.1 from the original
Tritanopia#8C1A31no blue cones; rare, and affects men and women equally; ΔE 12.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.16:1WCAG large text: AAA
Contrast with black, large text2.29:1WCAG large text: Fail

Named colours

Brown · ΔE 26.7Indian red · ΔE 28Pale violetred · ΔE 31.2Maroon · ΔE 32.7Sienna · ΔE 33.4Firebrick · ΔE 35.9
Nearest named CSS colourBrown (#A52A2A)ΔE 26.68, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#288069
Analogous#80286B, #803D28
Triadic#3F8028, #283F80
Split complementary#28803D, #286B80
Tetradic#6B8028, #288069, #3D2880

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DE96A9
Lighter +30%#D26F89
Lighter +20%#C64869
Lighter +10%#A73452
Darker −10%#591C2C
Darker −20%#321019
Darker −30%#0B0406
Darker −40%#000000
More saturated +25%#951335
Less saturated −25%#6B3D49

Channel breakdown

R128
G40
B63
Red128 (50.2%)
Green40 (15.7%)
Blue63 (24.7%)
Hue344.32°
Saturation (HSL)52.38%
Lightness32.94%
Dominant channelRed
Hex per channelR 80 · G 28 · B 3F

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Every value on this page was computed from “80283f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.