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Recognised as Colour

#600D21

  • #600D21
  • Red
  • Dark
  • Nearest: Brown

#600D21 is a red with RGB values 96, 13, 33 and HSL 346°, 76%, 21%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#600D21#600D21
HEX#600D21
RGBrgb(96, 13, 33)
RGB (0–1)0.3765, 0.051, 0.1294
RGB percentages37.6%, 5.1%, 12.9%
HSLhsl(345.5, 76.1%, 21.4%)
HSV / HSBhsv(345.5, 86.5%, 37.6%)
CMYK0%, 86.5%, 65.6%, 62.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,294,817
CSS custom property--colour: #600D21;

Brightness & contrast

Relative luminance0.02884WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.32:1
Contrast with white13.32:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#9FF2DE

Colour vision & accessibility

Protanopia#252421no red cones; affects about 1% of men; ΔE 38.7 from the original
Deuteranopia#3A351Fno green cones; the most common form, about 1% of men; ΔE 38.9 from the original
Tritanopia#6A0016no blue cones; rare, and affects men and women equally; ΔE 11 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.32:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 29.31, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0D604C
Analogous#600D4A, #60230D
Triadic#21600D, #0D2160
Split complementary#0D6023, #0D4A60
Tetradic#4A600D, #0D604C, #230D60

Tints, shades & saturation

Lighter +40%#E85176
Lighter +30%#E12552
Lighter +20%#BA1940
Lighter +10%#8D1330
Darker −10%#330712
Darker −20%#060102
Darker −30%#000000
Darker −40%#000000
More saturated +25%#6D001A
Less saturated −25%#521B28

Channel breakdown

R96
G13
B33
Red96 (37.6%)
Green13 (5.1%)
Blue33 (12.9%)
Hue345.54°
Saturation (HSL)76.15%
Lightness21.37%
Dominant channelRed
Hex per channelR 60 · G 0D · B 21

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Every value on this page was computed from “600d21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.