Colour

#B70133

#B70133
Red
Dark
Nearest: Firebrick

#B70133 is a red with RGB values 183, 1, 51 and HSL 344°, 99%, 36%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B70133#B70133

HEX#B70133

RGBrgb(183, 1, 51)

RGB (0–1)0.7176, 0.0039, 0.2

RGB percentages71.8%, 0.4%, 20%

HSLhsl(343.5, 98.9%, 36.1%)

HSV / HSBhsv(343.5, 99.5%, 71.8%)

CMYK0%, 99.5%, 72.1%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,993,395

CSS custom property--colour: #B70133;

Brightness & contrast

Relative luminance0.10328WCAG 2.x, 0 is black and 1 is white

Perceived brightness101.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.85:1

Contrast with white6.85:1WCAG normal text: AA

Contrast with black3.07:1WCAG normal text: Fail

Greyscale equivalent#2B2B2B

Inverted#48FECC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#484433no red cones; affects about 1% of men; ΔE 67.6 from the original

Deuteranopia#71672Dno green cones; the most common form, about 1% of men; ΔE 68.1 from the original

Tritanopia#CA001Dno blue cones; rare, and affects men and women equally; ΔE 18.9 from the original

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

Contrast with white, large text6.85:1WCAG large text: AAA

Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Firebrick · ΔE 13.1 Crimson · ΔE 13.2 Brown · ΔE 14.3 Dark red · ΔE 21.6 Maroon · ΔE 22.9 Indian red · ΔE 24.4

Nearest named CSS colourFirebrick (#B22222)ΔE 13.07, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01B785

Analogous#B7018E, #B72A01

Triadic#33B701, #0133B7

Split complementary#01B72A, #018EB7

Tetradic#8EB701, #01B785, #2A01B7

Tints, shades & saturation

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

Lighter +40%#FE86A7

Lighter +30%#FE5382

Lighter +20%#FE205D

Lighter +10%#EA0141

Darker −10%#840125

Darker −20%#520017

Darker −30%#1F0009

Darker −40%#000000

More saturated +25%#B80033

Less saturated −25%#A0183D

Channel breakdown

R183

B51

Red183 (71.8%)

Green1 (0.4%)

Blue51 (20%)

Hue343.52°

Saturation (HSL)98.91%

Lightness36.08%

Dominant channelRed

Hex per channelR B7 · G 01 · B 33

Keep nerding

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

#B70133

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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