Colour

#21060B

#21060B
Red
Dark
Nearest: Black

#21060B is a red with RGB values 33, 6, 11 and HSL 349°, 69%, 8%. It is a dark colour, so white text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#21060B#21060B

HEX#21060B

RGBrgb(33, 6, 11)

RGB (0–1)0.1294, 0.0235, 0.0431

RGB percentages12.9%, 2.4%, 4.3%

HSLhsl(348.9, 69.2%, 7.6%)

HSV / HSBhsv(348.9, 81.8%, 12.9%)

CMYK0%, 81.8%, 66.7%, 87.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,164,235

CSS custom property--colour: #21060B;

Brightness & contrast

Relative luminance0.00478WCAG 2.x, 0 is black and 1 is white

Perceived brightness19 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.17:1

Contrast with white19.17:1WCAG normal text: AAA

Contrast with black1.1:1WCAG normal text: Fail

Greyscale equivalent#0C0C0C

Inverted#DEF9F4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0C0B0Bno red cones; affects about 1% of men; ΔE 12.2 from the original

Deuteranopia#13110Ano green cones; the most common form, about 1% of men; ΔE 12.7 from the original

Tritanopia#250308no blue cones; rare, and affects men and women equally; ΔE 3.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.17:1WCAG large text: AAA

Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Black · ΔE 13.2 Dark slate grey · ΔE 36.5 Dim grey · ΔE 42 Gray · ΔE 50.8 Slate grey · ΔE 52.2 Saddle brown · ΔE 53

Nearest named CSS colourBlack (#000000)ΔE 13.15, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#06211C

Analogous#210619, #210F06

Triadic#0B2106, #060B21

Split complementary#06210F, #061821

Tetradic#182106, #06211C, #0F0621

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#CE2545

Lighter +30%#A21E36

Lighter +20%#771628

Lighter +10%#4C0E19

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#260108

Less saturated −25%#1C0B0E

Channel breakdown

R33

B11

Red33 (12.9%)

Green6 (2.4%)

Blue11 (4.3%)

Hue348.89°

Saturation (HSL)69.23%

Lightness7.65%

Dominant channelRed

Hex per channelR 21 · G 06 · B 0B

Keep nerding

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#21060B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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