Colour

#B83B1A

#B83B1A
Red
Dark
Nearest: Firebrick

#B83B1A is a red with RGB values 184, 59, 26 and HSL 13°, 75%, 41%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B83B1A#B83B1A

HEX#B83B1A

RGBrgb(184, 59, 26)

RGB (0–1)0.7216, 0.2314, 0.102

RGB percentages72.2%, 23.1%, 10.2%

HSLhsl(12.5, 75.2%, 41.2%)

HSV / HSBhsv(12.5, 85.9%, 72.2%)

CMYK0%, 67.9%, 85.9%, 27.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,073,754

CSS custom property--colour: #B83B1A;

Brightness & contrast

Relative luminance0.13393WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.71:1

Contrast with white5.71:1WCAG normal text: AA

Contrast with black3.68:1WCAG normal text: Fail

Greyscale equivalent#535353

Inverted#47C4E5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605514no red cones; affects about 1% of men; ΔE 53.6 from the original

Deuteranopia#7F7112no green cones; the most common form, about 1% of men; ΔE 53.9 from the original

Tritanopia#CB0F35no blue cones; rare, and affects men and women equally; ΔE 22.6 from the original

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

Contrast with white, large text5.71:1WCAG large text: AAA

Contrast with black, large text3.68:1WCAG large text: AA

Named colours

Firebrick · ΔE 11.7 Dark red · ΔE 16.1 Brown · ΔE 16.6 Maroon · ΔE 19.5 Chocolate · ΔE 20.4 Tomato · ΔE 20.9

Nearest named CSS colourFirebrick (#B22222)ΔE 11.72, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1A97B8

Analogous#B81A48, #B88A1A

Triadic#1AB83B, #3B1AB8

Split complementary#1AB88A, #1A48B8

Tetradic#48B81A, #1A97B8, #8A1AB8

Tints, shades & saturation

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

Lighter +40%#F3BAAB

Lighter +30%#ED957E

Lighter +20%#E67152

Lighter +10%#E04C25

Darker −10%#8B2D14

Darker −20%#5F1E0D

Darker −30%#321007

Darker −40%#050201

More saturated +25%#D22C00

Less saturated −25%#9E4A34

Channel breakdown

R184

G59

B26

Red184 (72.2%)

Green59 (23.1%)

Blue26 (10.2%)

Hue12.53°

Saturation (HSL)75.24%

Lightness41.18%

Dominant channelRed

Hex per channelR B8 · G 3B · B 1A

Keep nerding

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

#B83B1A

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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