Recognised as Colour

#9A0011

#9A0011
Red
Dark
Nearest: Dark red

#9A0011 is a red with RGB values 154, 0, 17 and HSL 353°, 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

#9A0011#9A0011

HEX#9A0011

RGBrgb(154, 0, 17)

RGB (0–1)0.6039, 0, 0.0667

RGB percentages60.4%, 0%, 6.7%

HSLhsl(353.4, 100%, 30.2%)

HSV / HSBhsv(353.4, 100%, 60.4%)

CMYK0%, 100%, 89%, 39.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,092,561

CSS custom property--colour: #9A0011;

Brightness & contrast

Relative luminance0.0691WCAG 2.x, 0 is black and 1 is white

Perceived brightness84.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.82:1

Contrast with white8.82:1WCAG normal text: AAA

Contrast with black2.38:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#65FFEE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E370Fno red cones; affects about 1% of men; ΔE 59.8 from the original

Deuteranopia#605505no green cones; the most common form, about 1% of men; ΔE 59.5 from the original

Tritanopia#AB000Bno blue cones; rare, and affects men and women equally; ΔE 9.1 from the original

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

Contrast with white, large text8.82:1WCAG large text: AAA

Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Dark red · ΔE 6.3 Firebrick · ΔE 7.6 Maroon · ΔE 9.4 Brown · ΔE 11.1 Crimson · ΔE 22.5 Sienna · ΔE 28.7

Nearest named CSS colourDark red (#8B0000)ΔE 6.35, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#009A89

Analogous#9A005E, #9A3C00

Triadic#119A00, #00119A

Split complementary#009A3C, #005E9A

Tetradic#5E9A00, #009A89, #3C009A

Tints, shades & saturation

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

Lighter +40%#FF6778

Lighter +30%#FF344A

Lighter +20%#FF011D

Lighter +10%#CD0017

Darker −10%#67000B

Darker −20%#340006

Darker −30%#010000

Darker −40%#000000

More saturated +25%#9A0011

Less saturated −25%#871320

Channel breakdown

R154

B17

Red154 (60.4%)

Green0 (0%)

Blue17 (6.7%)

Hue353.38°

Saturation (HSL)100%

Lightness30.2%

Dominant channelRed

Hex per channelR 9A · G 00 · B 11

Keep nerding

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#9A0011

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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