Colour

#B70016

#B70016
Red
Dark
Nearest: Firebrick

#B70016 is a red with RGB values 183, 0, 22 and HSL 353°, 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

#B70016#B70016

HEX#B70016

RGBrgb(183, 0, 22)

RGB (0–1)0.7176, 0, 0.0863

RGB percentages71.8%, 0%, 8.6%

HSLhsl(352.8, 100%, 35.9%)

HSV / HSBhsv(352.8, 100%, 71.8%)

CMYK0%, 100%, 88%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,993,110

CSS custom property--colour: #B70016;

Brightness & contrast

Relative luminance0.10125WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.94:1

Contrast with white6.94:1WCAG normal text: AA

Contrast with black3.03:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#48FFE9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B4213no red cones; affects about 1% of men; ΔE 67.6 from the original

Deuteranopia#736607no green cones; the most common form, about 1% of men; ΔE 67.5 from the original

Tritanopia#CA000Fno blue cones; rare, and affects men and women equally; ΔE 10 from the original

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

Contrast with white, large text6.94:1WCAG large text: AAA

Contrast with black, large text3.03:1WCAG large text: AA

Named colours

Firebrick · ΔE 9 Dark red · ΔE 15.5 Crimson · ΔE 15.7 Brown · ΔE 18.3 Maroon · ΔE 20 Tomato · ΔE 24.8

Nearest named CSS colourFirebrick (#B22222)ΔE 9, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B7A1

Analogous#B70071, #B74600

Triadic#16B700, #0016B7

Split complementary#00B746, #0071B7

Tetradic#71B700, #00B7A1, #4600B7

Tints, shades & saturation

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

Lighter +40%#FF8493

Lighter +30%#FF5166

Lighter +20%#FF1E39

Lighter +10%#EA001C

Darker −10%#840010

Darker −20%#51000A

Darker −30%#1E0004

Darker −40%#000000

More saturated +25%#B70016

Less saturated −25%#A01727

Channel breakdown

R183

B22

Red183 (71.8%)

Green0 (0%)

Blue22 (8.6%)

Hue352.79°

Saturation (HSL)100%

Lightness35.88%

Dominant channelRed

Hex per channelR B7 · G 00 · B 16

Keep nerding

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

#B70016

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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