Colour

#73221B

#73221B
Red
Dark
Nearest: Maroon

#73221B is a red with RGB values 115, 34, 27 and HSL 5°, 62%, 28%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#73221B#73221B

HEX#73221B

RGBrgb(115, 34, 27)

RGB (0–1)0.451, 0.1333, 0.1059

RGB percentages45.1%, 13.3%, 10.6%

HSLhsl(4.8, 62%, 27.8%)

HSV / HSBhsv(4.8, 76.5%, 45.1%)

CMYK0%, 70.4%, 76.5%, 54.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,545,371

CSS custom property--colour: #73221B;

Brightness & contrast

Relative luminance0.04868WCAG 2.x, 0 is black and 1 is white

Perceived brightness68.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.64:1

Contrast with white10.64:1WCAG normal text: AAA

Contrast with black1.97:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#8CDDE4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#39331Ano red cones; affects about 1% of men; ΔE 37.8 from the original

Deuteranopia#4D4518no green cones; the most common form, about 1% of men; ΔE 38.3 from the original

Tritanopia#7F0A21no blue cones; rare, and affects men and women equally; ΔE 12.2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text10.64:1WCAG large text: AAA

Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Maroon · ΔE 18.8 Brown · ΔE 19.4 Sienna · ΔE 21.5 Saddle brown · ΔE 21.7 Dark red · ΔE 23.3 Firebrick · ΔE 27.8

Nearest named CSS colourMaroon (#800000)ΔE 18.84, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1B6C73

Analogous#731B40, #734E1B

Triadic#1B7322, #221B73

Split complementary#1B734E, #1B4073

Tetradic#40731B, #1B6C73, #4E1B73

Tints, shades & saturation

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

Lighter +40%#E0827A

Lighter +30%#D65B51

Lighter +20%#C63A2E

Lighter +10%#9C2E25

Darker −10%#4A1611

Darker −20%#200A08

Darker −30%#000000

Darker −40%#000000

More saturated +25%#851309

Less saturated −25%#61312D

Channel breakdown

R115

G34

B27

Red115 (45.1%)

Green34 (13.3%)

Blue27 (10.6%)

Hue4.77°

Saturation (HSL)61.97%

Lightness27.84%

Dominant channelRed

Hex per channelR 73 · G 22 · B 1B

Keep nerding

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#73221B

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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