Colour

#991A00

#991A00
Red
Dark
Nearest: Dark red

#991A00 is a red with RGB values 153, 26, 0 and HSL 10°, 100%, 30%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#991A00#991A00

HEX#991A00

RGBrgb(153, 26, 0)

RGB (0–1)0.6, 0.102, 0

RGB percentages60%, 10.2%, 0%

HSLhsl(10.2, 100%, 30%)

HSV / HSBhsv(10.2, 100%, 60%)

CMYK0%, 83%, 100%, 40%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,033,664

CSS custom property--colour: #991A00;

Brightness & contrast

Relative luminance0.07511WCAG 2.x, 0 is black and 1 is white

Perceived brightness86 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.39:1

Contrast with white8.39:1WCAG normal text: AAA

Contrast with black2.5:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#66E5FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#453C00no red cones; affects about 1% of men; ΔE 54.7 from the original

Deuteranopia#635700no green cones; the most common form, about 1% of men; ΔE 53.9 from the original

Tritanopia#A90017no blue cones; rare, and affects men and women equally; ΔE 11.8 from the original

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

Contrast with white, large text8.39:1WCAG large text: AAA

Contrast with black, large text2.5:1WCAG large text: Fail

Named colours

Dark red · ΔE 7 Maroon · ΔE 11.2 Firebrick · ΔE 12.1 Brown · ΔE 16.3 Saddle brown · ΔE 24.5 Sienna · ΔE 25.6

Nearest named CSS colourDark red (#8B0000)ΔE 7.01, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#007F99

Analogous#990032, #996600

Triadic#00991A, #1A0099

Split complementary#009967, #003299

Tetradic#339900, #007F99, #670099

Tints, shades & saturation

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

Lighter +40%#FF8066

Lighter +30%#FF5633

Lighter +20%#FF2B00

Lighter +10%#CC2300

Darker −10%#661100

Darker −20%#330900

Darker −30%#000000

Darker −40%#000000

More saturated +25%#991A00

Less saturated −25%#862713

Channel breakdown

R153

G26

Red153 (60%)

Green26 (10.2%)

Blue0 (0%)

Hue10.2°

Saturation (HSL)100%

Lightness30%

Dominant channelRed

Hex per channelR 99 · G 1A · B 00

Keep nerding

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#991A00

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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