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Recognised as Colour

#40202B

  • #40202B
  • Red
  • Dark
  • Nearest: Black

#40202B is a red with RGB values 64, 32, 43 and HSL 339°, 33%, 19%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#40202B#40202B
HEX#40202B
RGBrgb(64, 32, 43)
RGB (0–1)0.251, 0.1255, 0.1686
RGB percentages25.1%, 12.5%, 16.9%
HSLhsl(339.4, 33.3%, 18.8%)
HSV / HSBhsv(339.4, 50%, 25.1%)
CMYK0%, 50%, 32.8%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,202,539
CSS custom property--colour: #40202B;

Brightness & contrast

Relative luminance0.02297WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.39:1
Contrast with white14.39:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#BFDFD4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#24262Bno red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#2D2C2Ano green cones; the most common form, about 1% of men; ΔE 17.2 from the original
Tritanopia#451E24no blue cones; rare, and affects men and women equally; ΔE 5.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.39:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Black · ΔE 24.1Dark slate grey · ΔE 32.3Dim grey · ΔE 32.3Gray · ΔE 40.4Slate grey · ΔE 41.9Light slate grey · ΔE 44.7
Nearest named CSS colourBlack (#000000)ΔE 24.06, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#204035
Analogous#40203B, #402520
Triadic#2B4020, #202B40
Split complementary#204025, #203B40
Tetradic#3B4020, #204035, #252040

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9738B
Lighter +30%#A65370
Lighter +20%#844259
Lighter +10%#623142
Darker −10%#1E0F14
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4C1427
Less saturated −25%#342C2F

Channel breakdown

R64
G32
B43
Red64 (25.1%)
Green32 (12.5%)
Blue43 (16.9%)
Hue339.38°
Saturation (HSL)33.33%
Lightness18.82%
Dominant channelRed
Hex per channelR 40 · G 20 · B 2B

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Every value on this page was computed from “40202b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.