Recognised as Colour

#B5112E

#B5112E
Red
Dark
Nearest: Firebrick

#B5112E is a red with RGB values 181, 17, 46 and HSL 349°, 83%, 39%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B5112E#B5112E

HEX#B5112E

RGBrgb(181, 17, 46)

RGB (0–1)0.7098, 0.0667, 0.1804

RGB percentages71%, 6.7%, 18%

HSLhsl(349.4, 82.8%, 38.8%)

HSV / HSBhsv(349.4, 90.6%, 71%)

CMYK0%, 90.6%, 74.6%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,866,414

CSS custom property--colour: #B5112E;

Brightness & contrast

Relative luminance0.10422WCAG 2.x, 0 is black and 1 is white

Perceived brightness101 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.81:1

Contrast with white6.81:1WCAG normal text: AA

Contrast with black3.08:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#4AEED1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B452Dno red cones; affects about 1% of men; ΔE 64.9 from the original

Deuteranopia#726728no green cones; the most common form, about 1% of men; ΔE 65.3 from the original

Tritanopia#C80020no blue cones; rare, and affects men and women equally; ΔE 14.6 from the original

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

Contrast with white, large text6.81:1WCAG large text: AAA

Contrast with black, large text3.08:1WCAG large text: AA

Named colours

Firebrick · ΔE 8.9 Brown · ΔE 11.2 Crimson · ΔE 13.6 Dark red · ΔE 18.2 Maroon · ΔE 19.9 Indian red · ΔE 23.3

Nearest named CSS colourFirebrick (#B22222)ΔE 8.95, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#11B598

Analogous#B51180, #B54611

Triadic#2EB511, #112EB5

Split complementary#11B546, #1180B5

Tetradic#80B511, #11B598, #4611B5

Tints, shades & saturation

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

Lighter +40%#F69CAC

Lighter +30%#F16E85

Lighter +20%#ED3F5E

Lighter +10%#E4153A

Darker −10%#860D22

Darker −20%#580816

Darker −30%#29040A

Darker −40%#000000

More saturated +25%#C60023

Less saturated −25%#9C2A3E

Channel breakdown

R181

G17

B46

Red181 (71%)

Green17 (6.7%)

Blue46 (18%)

Hue349.39°

Saturation (HSL)82.83%

Lightness38.82%

Dominant channelRed

Hex per channelR B5 · G 11 · B 2E

Keep nerding

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

#B5112E

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