Colour

#B41B19

#B41B19
Red
Dark
Nearest: Firebrick

#B41B19 is a red with RGB values 180, 27, 25 and HSL 1°, 76%, 40%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B41B19#B41B19

HEX#B41B19

RGBrgb(180, 27, 25)

RGB (0–1)0.7059, 0.1059, 0.098

RGB percentages70.6%, 10.6%, 9.8%

HSLhsl(0.8, 75.6%, 40.2%)

HSV / HSBhsv(0.8, 86.1%, 70.6%)

CMYK0%, 85%, 86.1%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,803,417

CSS custom property--colour: #B41B19;

Brightness & contrast

Relative luminance0.10557WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.75:1

Contrast with white6.75:1WCAG normal text: AA

Contrast with black3.11:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#4BE4E6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4616no red cones; affects about 1% of men; ΔE 62.8 from the original

Deuteranopia#74670Eno green cones; the most common form, about 1% of men; ΔE 62.7 from the original

Tritanopia#C7001Eno blue cones; rare, and affects men and women equally; ΔE 9.4 from the original

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

Contrast with white, large text6.75:1WCAG large text: AAA

Contrast with black, large text3.11:1WCAG large text: AA

Named colours

Firebrick · ΔE 5.1 Dark red · ΔE 12.9 Brown · ΔE 14.5 Maroon · ΔE 17.2 Crimson · ΔE 17.6 Tomato · ΔE 23.7

Nearest named CSS colourFirebrick (#B22222)ΔE 5.13, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19B2B4

Analogous#B41965, #B46819

Triadic#19B41B, #1B19B4

Split complementary#19B468, #1965B4

Tetradic#65B419, #19B2B4, #6819B4

Tints, shades & saturation

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

Lighter +40%#F3A7A6

Lighter +30%#EC7B7A

Lighter +20%#E64F4D

Lighter +10%#E02220

Darker −10%#871413

Darker −20%#5A0E0D

Darker −30%#2E0706

Darker −40%#010000

More saturated +25%#CD0300

Less saturated −25%#9A3433

Channel breakdown

R180

G27

B25

Red180 (70.6%)

Green27 (10.6%)

Blue25 (9.8%)

Hue0.77°

Saturation (HSL)75.61%

Lightness40.2%

Dominant channelRed

Hex per channelR B4 · G 1B · B 19

Keep nerding

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

#B41B19

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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