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Recognised as Colour

#28080D

  • #28080D
  • Red
  • Dark
  • Nearest: Black

#28080D is a red with RGB values 40, 8, 13 and HSL 351°, 67%, 9%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#28080D#28080D
HEX#28080D
RGBrgb(40, 8, 13)
RGB (0–1)0.1569, 0.0314, 0.051
RGB percentages15.7%, 3.1%, 5.1%
HSLhsl(350.6, 66.7%, 9.4%)
HSV / HSBhsv(350.6, 80%, 15.7%)
CMYK0%, 80%, 67.5%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,623,501
CSS custom property--colour: #28080D;

Brightness & contrast

Relative luminance0.00654WCAG 2.x, 0 is black and 1 is white
Perceived brightness23.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.57:1
Contrast with white18.57:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#D7F7F2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0F0F0Dno red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#18160Cno green cones; the most common form, about 1% of men; ΔE 17.6 from the original
Tritanopia#2D040Ano blue cones; rare, and affects men and women equally; ΔE 4.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.57:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 17.8Dark slate grey · ΔE 38.6Dim grey · ΔE 42Saddle brown · ΔE 49.9Gray · ΔE 50.6Maroon · ΔE 50.7
Nearest named CSS colourBlack (#000000)ΔE 17.81, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#082823
Analogous#28081D, #281308
Triadic#0D2808, #080D28
Split complementary#082813, #081D28
Tetradic#1D2808, #082823, #130828

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D22A44
Lighter +30%#A82236
Lighter +20%#7D1929
Lighter +10%#53111B
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2E0209
Less saturated −25%#220E11

Channel breakdown

R40
G8
B13
Red40 (15.7%)
Green8 (3.1%)
Blue13 (5.1%)
Hue350.63°
Saturation (HSL)66.67%
Lightness9.41%
Dominant channelRed
Hex per channelR 28 · G 08 · B 0D

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Every value on this page was computed from “28080d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.