Colour

#971F00

#971F00
Red
Dark
Nearest: Dark red

#971F00 is a red with RGB values 151, 31, 0 and HSL 12°, 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

#971F00#971F00

HEX#971F00

RGBrgb(151, 31, 0)

RGB (0–1)0.5922, 0.1216, 0

RGB percentages59.2%, 12.2%, 0%

HSLhsl(12.3, 100%, 29.6%)

HSV / HSBhsv(12.3, 100%, 59.2%)

CMYK0%, 79.5%, 100%, 40.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,903,872

CSS custom property--colour: #971F00;

Brightness & contrast

Relative luminance0.07559WCAG 2.x, 0 is black and 1 is white

Perceived brightness85.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.36:1

Contrast with white8.36:1WCAG normal text: AAA

Contrast with black2.51:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#68E0FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#463D00no red cones; affects about 1% of men; ΔE 52.6 from the original

Deuteranopia#635700no green cones; the most common form, about 1% of men; ΔE 51.8 from the original

Tritanopia#A7001Bno blue cones; rare, and affects men and women equally; ΔE 14.7 from the original

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

Contrast with white, large text8.36:1WCAG large text: AAA

Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Dark red · ΔE 7.6 Maroon · ΔE 11 Firebrick · ΔE 13.2 Brown · ΔE 16.3 Saddle brown · ΔE 22.4 Sienna · ΔE 23.8

Nearest named CSS colourDark red (#8B0000)ΔE 7.59, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#007897

Analogous#97002D, #976A00

Triadic#00971F, #1F0097

Split complementary#00976A, #002D97

Tetradic#2D9700, #007897, #6A0097

Tints, shades & saturation

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

Lighter +40%#FF8464

Lighter +30%#FF5B31

Lighter +20%#FD3400

Lighter +10%#CA2900

Darker −10%#641500

Darker −20%#310A00

Darker −30%#000000

Darker −40%#000000

More saturated +25%#971F00

Less saturated −25%#842A13

Channel breakdown

R151

G31

Red151 (59.2%)

Green31 (12.2%)

Blue0 (0%)

Hue12.32°

Saturation (HSL)100%

Lightness29.61%

Dominant channelRed

Hex per channelR 97 · G 1F · B 00

Keep nerding

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#971F00

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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