Recognised as Colour

#67181B

#67181B
Red
Dark
Nearest: Maroon

#67181B is a red with RGB values 103, 24, 27 and HSL 358°, 62%, 25%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#67181B#67181B

HEX#67181B

RGBrgb(103, 24, 27)

RGB (0–1)0.4039, 0.0941, 0.1059

RGB percentages40.4%, 9.4%, 10.6%

HSLhsl(357.7, 62.2%, 24.9%)

HSV / HSBhsv(357.7, 76.7%, 40.4%)

CMYK0%, 76.7%, 73.8%, 59.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,756,379

CSS custom property--colour: #67181B;

Brightness & contrast

Relative luminance0.03616WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.19:1

Contrast with white12.19:1WCAG normal text: AAA

Contrast with black1.72:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#98E7E4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2F2B1Ano red cones; affects about 1% of men; ΔE 37.5 from the original

Deuteranopia#423C18no green cones; the most common form, about 1% of men; ΔE 38.3 from the original

Tritanopia#72001Ano blue cones; rare, and affects men and women equally; ΔE 10 from the original

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

Contrast with white, large text12.19:1WCAG large text: AAA

Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Maroon · ΔE 23.2 Brown · ΔE 24 Sienna · ΔE 27.6 Dark red · ΔE 27.9 Saddle brown · ΔE 27.9 Firebrick · ΔE 32.5

Nearest named CSS colourMaroon (#800000)ΔE 23.17, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#186764

Analogous#671842, #673C18

Triadic#1B6718, #181B67

Split complementary#18673C, #184267

Tetradic#426718, #186764, #3D1867

Tints, shades & saturation

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

Lighter +40%#DD6E72

Lighter +30%#D4444A

Lighter +20%#BA2B31

Lighter +10%#902226

Darker −10%#3E0E10

Darker −20%#140505

Darker −30%#000000

Darker −40%#000000

More saturated +25%#77080C

Less saturated −25%#57282A

Channel breakdown

R103

G24

B27

Red103 (40.4%)

Green24 (9.4%)

Blue27 (10.6%)

Hue357.72°

Saturation (HSL)62.2%

Lightness24.9%

Dominant channelRed

Hex per channelR 67 · G 18 · B 1B

Keep nerding

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#67181B

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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