Recognised as Colour

#73011B

#73011B
Red
Dark
Nearest: Maroon

#73011B is a red with RGB values 115, 1, 27 and HSL 346°, 98%, 23%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#73011B#73011B

HEX#73011B

RGBrgb(115, 1, 27)

RGB (0–1)0.451, 0.0039, 0.1059

RGB percentages45.1%, 0.4%, 10.6%

HSLhsl(346.3, 98.3%, 22.7%)

HSV / HSBhsv(346.3, 99.1%, 45.1%)

CMYK0%, 99.1%, 76.5%, 54.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,536,923

CSS custom property--colour: #73011B;

Brightness & contrast

Relative luminance0.03746WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.01:1

Contrast with white12.01:1WCAG normal text: AAA

Contrast with black1.75:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#8CFEE4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2B281Bno red cones; affects about 1% of men; ΔE 48.1 from the original

Deuteranopia#463E17no green cones; the most common form, about 1% of men; ΔE 47.6 from the original

Tritanopia#7F000Eno blue cones; rare, and affects men and women equally; ΔE 12.3 from the original

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

Contrast with white, large text12.01:1WCAG large text: AAA

Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Maroon · ΔE 18.2 Brown · ΔE 18.5 Dark red · ΔE 22.4 Firebrick · ΔE 26.2 Sienna · ΔE 30.4 Indian red · ΔE 30.6

Nearest named CSS colourMaroon (#800000)ΔE 18.18, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#017359

Analogous#730154, #732001

Triadic#1B7301, #011B73

Split complementary#017320, #015473

Tetradic#547301, #017359, #200173

Tints, shades & saturation

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

Lighter +40%#FD436D

Lighter +30%#FD1046

Lighter +20%#D80233

Lighter +10%#A60127

Darker −10%#40010F

Darker −20%#0E0003

Darker −30%#000000

Darker −40%#000000

More saturated +25%#74001A

Less saturated −25%#650F23

Channel breakdown

R115

B27

Red115 (45.1%)

Green1 (0.4%)

Blue27 (10.6%)

Hue346.32°

Saturation (HSL)98.28%

Lightness22.75%

Dominant channelRed

Hex per channelR 73 · G 01 · B 1B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#73011B

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

Nerdulate something else