Colour

#9B0001

#9B0001
Red
Dark
Nearest: Dark red

#9B0001 is a red with RGB values 155, 0, 1 and HSL 360°, 100%, 30%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#9B0001#9B0001

HEX#9B0001

RGBrgb(155, 0, 1)

RGB (0–1)0.6078, 0, 0.0039

RGB percentages60.8%, 0%, 0.4%

HSLhsl(359.6, 100%, 30.4%)

HSV / HSBhsv(359.6, 100%, 60.8%)

CMYK0%, 100%, 99.4%, 39.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,158,081

CSS custom property--colour: #9B0001;

Brightness & contrast

Relative luminance0.06971WCAG 2.x, 0 is black and 1 is white

Perceived brightness84.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.77:1

Contrast with white8.77:1WCAG normal text: AAA

Contrast with black2.39:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#64FFFE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3F3700no red cones; affects about 1% of men; ΔE 60.4 from the original

Deuteranopia#615500no green cones; the most common form, about 1% of men; ΔE 59.1 from the original

Tritanopia#AC0005no blue cones; rare, and affects men and women equally; ΔE 6.4 from the original

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

Contrast with white, large text8.77:1WCAG large text: AAA

Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Dark red · ΔE 6.9 Firebrick · ΔE 10.6 Maroon · ΔE 11.9 Brown · ΔE 16.8 Crimson · ΔE 24.8 Saddle brown · ΔE 29.7

Nearest named CSS colourDark red (#8B0000)ΔE 6.86, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#009B9A

Analogous#9B004E, #9B4D00

Triadic#019B00, #00019B

Split complementary#009B4D, #004E9B

Tetradic#4E9B00, #009B9A, #4D009B

Tints, shades & saturation

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

Lighter +40%#FF6869

Lighter +30%#FF3536

Lighter +20%#FF0204

Lighter +10%#CE0001

Darker −10%#680001

Darker −20%#350000

Darker −30%#020000

Darker −40%#000000

More saturated +25%#9B0001

Less saturated −25%#881314

Channel breakdown

R155

Red155 (60.8%)

Green0 (0%)

Blue1 (0.4%)

Hue359.61°

Saturation (HSL)100%

Lightness30.39%

Dominant channelRed

Hex per channelR 9B · G 00 · B 01

Keep nerding

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#9B0001

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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