Colour

#B80003

#B80003
Red
Dark
Nearest: Firebrick

#B80003 is a red with RGB values 184, 0, 3 and HSL 359°, 100%, 36%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B80003#B80003

HEX#B80003

RGBrgb(184, 0, 3)

RGB (0–1)0.7216, 0, 0.0118

RGB percentages72.2%, 0%, 1.2%

HSLhsl(359, 100%, 36.1%)

HSV / HSBhsv(359, 100%, 72.2%)

CMYK0%, 100%, 98.4%, 27.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,058,627

CSS custom property--colour: #B80003;

Brightness & contrast

Relative luminance0.10197WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.91:1

Contrast with white6.91:1WCAG normal text: AA

Contrast with black3.04:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#47FFFC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C4200no red cones; affects about 1% of men; ΔE 68 from the original

Deuteranopia#746700no green cones; the most common form, about 1% of men; ΔE 67.7 from the original

Tritanopia#CC0008no blue cones; rare, and affects men and women equally; ΔE 7.2 from the original

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

Contrast with white, large text6.91:1WCAG large text: AAA

Contrast with black, large text3.04:1WCAG large text: AA

Named colours

Firebrick · ΔE 15.3 Dark red · ΔE 18.5 Crimson · ΔE 21.5 Maroon · ΔE 23.5 Brown · ΔE 24.6 Tomato · ΔE 25

Nearest named CSS colourFirebrick (#B22222)ΔE 15.35, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B8B5

Analogous#B8005F, #B85900

Triadic#03B800, #0003B8

Split complementary#00B859, #005FB8

Tetradic#5FB800, #00B8B5, #5900B8

Tints, shades & saturation

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

Lighter +40%#FF8587

Lighter +30%#FF5255

Lighter +20%#FF1F23

Lighter +10%#EB0004

Darker −10%#850002

Darker −20%#520001

Darker −30%#1F0001

Darker −40%#000000

More saturated +25%#B80003

Less saturated −25%#A11719

Channel breakdown

R184

Red184 (72.2%)

Green0 (0%)

Blue3 (1.2%)

Hue359.02°

Saturation (HSL)100%

Lightness36.08%

Dominant channelRed

Hex per channelR B8 · G 00 · B 03

Keep nerding

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

#B80003

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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