Colour

#9B0019

#9B0019
Red
Dark
Nearest: Firebrick

#9B0019 is a red with RGB values 155, 0, 25 and HSL 350°, 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

#9B0019#9B0019

HEX#9B0019

RGBrgb(155, 0, 25)

RGB (0–1)0.6078, 0, 0.098

RGB percentages60.8%, 0%, 9.8%

HSLhsl(350.3, 100%, 30.4%)

HSV / HSBhsv(350.3, 100%, 60.8%)

CMYK0%, 100%, 83.9%, 39.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,158,105

CSS custom property--colour: #9B0019;

Brightness & contrast

Relative luminance0.07039WCAG 2.x, 0 is black and 1 is white

Perceived brightness85.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.72:1

Contrast with white8.72:1WCAG normal text: AAA

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

Greyscale equivalent#232323

Inverted#64FFE6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E3718no red cones; affects about 1% of men; ΔE 59.7 from the original

Deuteranopia#605611no green cones; the most common form, about 1% of men; ΔE 60.2 from the original

Tritanopia#AB000Eno blue cones; rare, and affects men and women equally; ΔE 11.3 from the original

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

Contrast with white, large text8.72:1WCAG large text: AAA

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

Named colours

Firebrick · ΔE 8.1 Brown · ΔE 8.9 Dark red · ΔE 9.4 Maroon · ΔE 10.7 Crimson · ΔE 21.5 Indian red · ΔE 26.9

Nearest named CSS colourFirebrick (#B22222)ΔE 8.08, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#009B82

Analogous#9B0067, #9B3400

Triadic#199B00, #00199B

Split complementary#009B34, #00679B

Tetradic#679B00, #009B82, #34009B

Tints, shades & saturation

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

Lighter +40%#FF6880

Lighter +30%#FF3556

Lighter +20%#FF022B

Lighter +10%#CE0021

Darker −10%#680011

Darker −20%#350009

Darker −30%#020000

Darker −40%#000000

More saturated +25%#9B0019

Less saturated −25%#881326

Channel breakdown

R155

B25

Red155 (60.8%)

Green0 (0%)

Blue25 (9.8%)

Hue350.32°

Saturation (HSL)100%

Lightness30.39%

Dominant channelRed

Hex per channelR 9B · G 00 · B 19

Keep nerding

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#9B0019

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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