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Recognised as Colour

#38100C

  • #38100C
  • Red
  • Dark
  • Nearest: Black

#38100C is a red with RGB values 56, 16, 12 and HSL 5°, 65%, 13%. It is a dark colour, so white text on it reaches 16.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#38100C#38100C
HEX#38100C
RGBrgb(56, 16, 12)
RGB (0–1)0.2196, 0.0627, 0.0471
RGB percentages22%, 6.3%, 4.7%
HSLhsl(5.5, 64.7%, 13.3%)
HSV / HSBhsv(5.5, 78.6%, 22%)
CMYK0%, 71.4%, 78.6%, 78%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,674,124
CSS custom property--colour: #38100C;

Brightness & contrast

Relative luminance0.01238WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.83:1
Contrast with white16.83:1WCAG normal text: AAA
Contrast with black1.25:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#C7EFF3

Colour vision & accessibility

Protanopia#1B180Bno red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#25200Bno green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#3E070Fno blue cones; rare, and affects men and women equally; ΔE 7.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.83:1WCAG large text: AAA
Contrast with black, large text1.25:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 25.28, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0C3438
Analogous#380C1E, #38260C
Triadic#0C3810, #100C38
Split complementary#0C3826, #0C1E38
Tetradic#1E380C, #0C3438, #260C38

Tints, shades & saturation

Lighter +40%#D5493B
Lighter +30%#B63427
Lighter +20%#8C281E
Lighter +10%#621C15
Darker −10%#0E0403
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#410904
Less saturated −25%#301714

Channel breakdown

R56
G16
B12
Red56 (22%)
Green16 (6.3%)
Blue12 (4.7%)
Hue5.45°
Saturation (HSL)64.71%
Lightness13.33%
Dominant channelRed
Hex per channelR 38 · G 10 · B 0C

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Every value on this page was computed from “38100c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.