Colour

#B81A35

#B81A35
Red
Dark
Nearest: Firebrick

#B81A35 is a red with RGB values 184, 26, 53 and HSL 350°, 75%, 41%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B81A35#B81A35

HEX#B81A35

RGBrgb(184, 26, 53)

RGB (0–1)0.7216, 0.102, 0.2078

RGB percentages72.2%, 10.2%, 20.8%

HSLhsl(349.7, 75.2%, 41.2%)

HSV / HSBhsv(349.7, 85.9%, 72.2%)

CMYK0%, 85.9%, 71.2%, 27.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,065,333

CSS custom property--colour: #B81A35;

Brightness & contrast

Relative luminance0.11186WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.49:1

Contrast with white6.49:1WCAG normal text: AA

Contrast with black3.24:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#47E5CA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4E4935no red cones; affects about 1% of men; ΔE 64.2 from the original

Deuteranopia#756A30no green cones; the most common form, about 1% of men; ΔE 64.5 from the original

Tritanopia#CB0027no blue cones; rare, and affects men and women equally; ΔE 14.9 from the original

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

Contrast with white, large text6.49:1WCAG large text: AAA

Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Firebrick · ΔE 11 Brown · ΔE 11.3 Crimson · ΔE 14.2 Dark red · ΔE 20.3 Indian red · ΔE 21.2 Maroon · ΔE 21.6

Nearest named CSS colourFirebrick (#B22222)ΔE 11.01, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1AB89D

Analogous#B81A84, #B84E1A

Triadic#35B81A, #1A35B8

Split complementary#1AB84E, #1A84B8

Tetradic#84B81A, #1AB89D, #4E1AB8

Tints, shades & saturation

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

Lighter +40%#F3ABB7

Lighter +30%#ED7E91

Lighter +20%#E6526B

Lighter +10%#E02545

Darker −10%#8B1428

Darker −20%#5F0D1B

Darker −30%#32070E

Darker −40%#050102

More saturated +25%#D20024

Less saturated −25%#9E3446

Channel breakdown

R184

G26

B53

Red184 (72.2%)

Green26 (10.2%)

Blue53 (20.8%)

Hue349.75°

Saturation (HSL)75.24%

Lightness41.18%

Dominant channelRed

Hex per channelR B8 · G 1A · B 35

Keep nerding

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

#B81A35

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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