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Colour

#402B2B

  • #402B2B
  • Red
  • Dark
  • Nearest: Black

#402B2B is a red with RGB values 64, 43, 43 and HSL 0°, 20%, 21%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#402B2B#402B2B
HEX#402B2B
RGBrgb(64, 43, 43)
RGB (0–1)0.251, 0.1686, 0.1686
RGB percentages25.1%, 16.9%, 16.9%
HSLhsl(0, 19.6%, 21%)
HSV / HSBhsv(0, 32.8%, 25.1%)
CMYK0%, 32.8%, 32.8%, 74.9%naive device-independent conversion; real print needs an ICC profile
24-bit integer4,205,355
CSS custom property--colour: #402B2B;

Brightness & contrast

Relative luminance0.02992WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.14:1
Contrast with white13.14:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#BFD4D4

Colour vision & accessibility

Protanopia#2F2E2Bno red cones; affects about 1% of men; ΔE 10.2 from the original
Deuteranopia#34322Bno green cones; the most common form, about 1% of men; ΔE 10.4 from the original
Tritanopia#44292Bno blue cones; rare, and affects men and women equally; ΔE 3.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.14:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 22.6, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2B4040
Analogous#402B36, #40362B
Triadic#2B402B, #2B2B40
Split complementary#2B4036, #2B3640
Tetradic#36402B, #2B4040, #362B40

Tints, shades & saturation

Lighter +40%#AF8888
Lighter +30%#9B6969
Lighter +20%#7D5454
Lighter +10%#5F3F3F
Darker −10%#211717
Darker −20%#030202
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4D1E1E
Less saturated −25%#363636

Channel breakdown

R64
G43
B43
Red64 (25.1%)
Green43 (16.9%)
Blue43 (16.9%)
Hue
Saturation (HSL)19.63%
Lightness20.98%
Dominant channelRed
Hex per channelR 40 · G 2B · B 2B

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Every value on this page was computed from “402b2b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.