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Recognised as Colour

#400F20

  • #400F20
  • Red
  • Dark
  • Nearest: Black

#400F20 is a red with RGB values 64, 15, 32 and HSL 339°, 62%, 15%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#400F20#400F20
HEX#400F20
RGBrgb(64, 15, 32)
RGB (0–1)0.251, 0.0588, 0.1255
RGB percentages25.1%, 5.9%, 12.5%
HSLhsl(339.2, 62%, 15.5%)
HSV / HSBhsv(339.2, 76.6%, 25.1%)
CMYK0%, 76.6%, 50%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,198,176
CSS custom property--colour: #400F20;

Brightness & contrast

Relative luminance0.01536WCAG 2.x, 0 is black and 1 is white
Perceived brightness38.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.07:1
Contrast with white16.07:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#BFF0DF

Colour vision & accessibility

Protanopia#191B20no red cones; affects about 1% of men; ΔE 25.6 from the original
Deuteranopia#26251Fno green cones; the most common form, about 1% of men; ΔE 26.4 from the original
Tritanopia#460816no blue cones; rare, and affects men and women equally; ΔE 8.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.07:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 28.42, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0F402F
Analogous#400F39, #40170F
Triadic#20400F, #0F2040
Split complementary#0F4017, #0F3940
Tetradic#38400F, #0F402F, #160F40

Tints, shades & saturation

Lighter +40%#D44778
Lighter +30%#BC2C5E
Lighter +20%#932249
Lighter +10%#691935
Darker −10%#17050B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4A051D
Less saturated −25%#361923

Channel breakdown

R64
G15
B32
Red64 (25.1%)
Green15 (5.9%)
Blue32 (12.5%)
Hue339.18°
Saturation (HSL)62.03%
Lightness15.49%
Dominant channelRed
Hex per channelR 40 · G 0F · B 20

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Every value on this page was computed from “400f20” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.