Colour

#22040F

#22040F
Red
Dark
Nearest: Black

#22040F is a red with RGB values 34, 4, 15 and HSL 338°, 79%, 7%. 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

#22040F#22040F

HEX#22040F

RGBrgb(34, 4, 15)

RGB (0–1)0.1333, 0.0157, 0.0588

RGB percentages13.3%, 1.6%, 5.9%

HSLhsl(338, 78.9%, 7.5%)

HSV / HSBhsv(338, 88.2%, 13.3%)

CMYK0%, 88.2%, 55.9%, 86.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,229,263

CSS custom property--colour: #22040F;

Brightness & contrast

Relative luminance0.00461WCAG 2.x, 0 is black and 1 is white

Perceived brightness19.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.23:1

Contrast with white19.23:1WCAG normal text: AAA

Contrast with black1.09:1WCAG normal text: Fail

Greyscale equivalent#0B0B0B

Inverted#DDFBF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#090B0Fno red cones; affects about 1% of men; ΔE 14.4 from the original

Deuteranopia#12110Eno green cones; the most common form, about 1% of men; ΔE 14.7 from the original

Tritanopia#260208no blue cones; rare, and affects men and women equally; ΔE 4.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.23:1WCAG large text: AAA

Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 15 Dark slate grey · ΔE 37.8 Dim grey · ΔE 42.7 Dark slateblue · ΔE 51.2 Gray · ΔE 51.5 Slate grey · ΔE 52.5

Nearest named CSS colourBlack (#000000)ΔE 14.96, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#042217

Analogous#22041E, #220804

Triadic#0F2204, #040F22

Split complementary#042208, #041E22

Tetradic#1E2204, #042217, #080422

Tints, shades & saturation

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

Lighter +40%#D91960

Lighter +30%#AB144B

Lighter +20%#7D0F37

Lighter +10%#500923

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#26000E

Less saturated −25%#1D0910

Channel breakdown

R34

B15

Red34 (13.3%)

Green4 (1.6%)

Blue15 (5.9%)

Hue338°

Saturation (HSL)78.95%

Lightness7.45%

Dominant channelRed

Hex per channelR 22 · G 04 · B 0F

Keep nerding

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#22040F

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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