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Recognised as Colour

#40141B

  • #40141B
  • Red
  • Dark
  • Nearest: Black

#40141B is a red with RGB values 64, 20, 27 and HSL 350°, 52%, 16%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#40141B#40141B
HEX#40141B
RGBrgb(64, 20, 27)
RGB (0–1)0.251, 0.0784, 0.1059
RGB percentages25.1%, 7.8%, 10.6%
HSLhsl(350.5, 52.4%, 16.5%)
HSV / HSBhsv(350.5, 68.8%, 25.1%)
CMYK0%, 68.8%, 57.8%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,199,451
CSS custom property--colour: #40141B;

Brightness & contrast

Relative luminance0.01669WCAG 2.x, 0 is black and 1 is white
Perceived brightness39.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.74:1
Contrast with white15.74:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#BFEBE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E1D1Bno red cones; affects about 1% of men; ΔE 22.8 from the original
Deuteranopia#29261Ano green cones; the most common form, about 1% of men; ΔE 23.3 from the original
Tritanopia#460D17no blue cones; rare, and affects men and women equally; ΔE 6.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.74:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 26.8Dim grey · ΔE 38.4Dark slate grey · ΔE 39.5Saddle brown · ΔE 42.3Maroon · ΔE 42.7Sienna · ΔE 42.7
Nearest named CSS colourBlack (#000000)ΔE 26.76, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#144039
Analogous#401431, #402314
Triadic#1B4014, #141B40
Split complementary#144023, #143140
Tetradic#314014, #144039, #231440

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CA5668
Lighter +30%#B5384C
Lighter +20%#8E2C3C
Lighter +10%#67202B
Darker −10%#19080B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4A0914
Less saturated −25%#351E22

Channel breakdown

R64
G20
B27
Red64 (25.1%)
Green20 (7.8%)
Blue27 (10.6%)
Hue350.45°
Saturation (HSL)52.38%
Lightness16.47%
Dominant channelRed
Hex per channelR 40 · G 14 · B 1B

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Every value on this page was computed from “40141b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.