Colour

#B81A34

#B81A34
Red
Dark
Nearest: Firebrick

#B81A34 is a red with RGB values 184, 26, 52 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

#B81A34#B81A34

HEX#B81A34

RGBrgb(184, 26, 52)

RGB (0–1)0.7216, 0.102, 0.2039

RGB percentages72.2%, 10.2%, 20.4%

HSLhsl(350.1, 75.2%, 41.2%)

HSV / HSBhsv(350.1, 85.9%, 72.2%)

CMYK0%, 85.9%, 71.7%, 27.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,065,332

CSS custom property--colour: #B81A34;

Brightness & contrast

Relative luminance0.11177WCAG 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#3D3D3D

Inverted#47E5CB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4E4934no red cones; affects about 1% of men; ΔE 64.3 from the original

Deuteranopia#756A2Fno 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 14.4 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 10.4 Brown · ΔE 11.1 Crimson · ΔE 14 Dark red · ΔE 19.9 Maroon · ΔE 21.3 Indian red · ΔE 21.4

Nearest named CSS colourFirebrick (#B22222)ΔE 10.44, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1AB89E

Analogous#B81A83, #B84F1A

Triadic#34B81A, #1A34B8

Split complementary#1AB84F, #1A83B8

Tetradic#83B81A, #1AB89E, #4F1AB8

Tints, shades & saturation

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

Lighter +40%#F3ABB7

Lighter +30%#ED7E90

Lighter +20%#E6526A

Lighter +10%#E02544

Darker −10%#8B1427

Darker −20%#5F0D1B

Darker −30%#32070E

Darker −40%#050101

More saturated +25%#D20023

Less saturated −25%#9E3446

Channel breakdown

R184

G26

B52

Red184 (72.2%)

Green26 (10.2%)

Blue52 (20.4%)

Hue350.13°

Saturation (HSL)75.24%

Lightness41.18%

Dominant channelRed

Hex per channelR B8 · G 1A · B 34

Keep nerding

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

#B81A34

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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