Colour

#9B0016

#9B0016
Red
Dark
Nearest: Firebrick

#9B0016 is a red with RGB values 155, 0, 22 and HSL 351°, 100%, 30%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#9B0016#9B0016

HEX#9B0016

RGBrgb(155, 0, 22)

RGB (0–1)0.6078, 0, 0.0863

RGB percentages60.8%, 0%, 8.6%

HSLhsl(351.5, 100%, 30.4%)

HSV / HSBhsv(351.5, 100%, 60.8%)

CMYK0%, 100%, 85.8%, 39.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,158,102

CSS custom property--colour: #9B0016;

Brightness & contrast

Relative luminance0.07026WCAG 2.x, 0 is black and 1 is white

Perceived brightness85.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.73:1

Contrast with white8.73:1WCAG normal text: AAA

Contrast with black2.41:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#64FFE9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E3714no red cones; affects about 1% of men; ΔE 59.9 from the original

Deuteranopia#61560Dno green cones; the most common form, about 1% of men; ΔE 59.8 from the original

Tritanopia#AC000Dno blue cones; rare, and affects men and women equally; ΔE 10.6 from the original

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

Contrast with white, large text8.73:1WCAG large text: AAA

Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Firebrick · ΔE 7.5 Dark red · ΔE 8.1 Brown · ΔE 9.7 Maroon · ΔE 10.1 Crimson · ΔE 21.7 Indian red · ΔE 27.6

Nearest named CSS colourFirebrick (#B22222)ΔE 7.5, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#009B85

Analogous#9B0063, #9B3800

Triadic#169B00, #00169B

Split complementary#009B38, #00639B

Tetradic#639B00, #009B85, #38009B

Tints, shades & saturation

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

Lighter +40%#FF687D

Lighter +30%#FF3552

Lighter +20%#FF0226

Lighter +10%#CE001D

Darker −10%#68000F

Darker −20%#350008

Darker −30%#020000

Darker −40%#000000

More saturated +25%#9B0016

Less saturated −25%#881324

Channel breakdown

R155

B22

Red155 (60.8%)

Green0 (0%)

Blue22 (8.6%)

Hue351.48°

Saturation (HSL)100%

Lightness30.39%

Dominant channelRed

Hex per channelR 9B · G 00 · B 16

Keep nerding

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#9B0016

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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