Colour

#71001F

#71001F
Red
Dark
Nearest: Brown

#71001F is a red with RGB values 113, 0, 31 and HSL 344°, 100%, 22%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#71001F#71001F

HEX#71001F

RGBrgb(113, 0, 31)

RGB (0–1)0.4431, 0, 0.1216

RGB percentages44.3%, 0%, 12.2%

HSLhsl(343.5, 100%, 22.2%)

HSV / HSBhsv(343.5, 100%, 44.3%)

CMYK0%, 100%, 72.6%, 55.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,405,599

CSS custom property--colour: #71001F;

Brightness & contrast

Relative luminance0.0361WCAG 2.x, 0 is black and 1 is white

Perceived brightness62.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.2:1

Contrast with white12.2:1WCAG normal text: AAA

Contrast with black1.72:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#8EFFE0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#29271Fno red cones; affects about 1% of men; ΔE 47.6 from the original

Deuteranopia#443D1Cno green cones; the most common form, about 1% of men; ΔE 47.4 from the original

Tritanopia#7D000Fno blue cones; rare, and affects men and women equally; ΔE 14.4 from the original

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

Contrast with white, large text12.2:1WCAG large text: AAA

Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Brown · ΔE 21 Maroon · ΔE 21.6 Dark red · ΔE 25.8 Firebrick · ΔE 28.9 Indian red · ΔE 31.5 Sienna · ΔE 32.5

Nearest named CSS colourBrown (#A52A2A)ΔE 20.97, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#007152

Analogous#710058, #711A00

Triadic#1F7100, #001F71

Split complementary#00711A, #005771

Tetradic#577100, #007152, #190071

Tints, shades & saturation

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

Lighter +40%#FF3E73

Lighter +30%#FF0B4E

Lighter +20%#D7003B

Lighter +10%#A4002D

Darker −10%#3E0011

Darker −20%#0B0003

Darker −30%#000000

Darker −40%#000000

More saturated +25%#71001F

Less saturated −25%#630E25

Channel breakdown

R113

B31

Red113 (44.3%)

Green0 (0%)

Blue31 (12.2%)

Hue343.54°

Saturation (HSL)100%

Lightness22.16%

Dominant channelRed

Hex per channelR 71 · G 00 · B 1F

Keep nerding

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#71001F

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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