Colour

#B00022

#B00022
Red
Dark
Nearest: Firebrick

#B00022 is a red with RGB values 176, 0, 34 and HSL 348°, 100%, 35%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#B00022#B00022

HEX#B00022

RGBrgb(176, 0, 34)

RGB (0–1)0.6902, 0, 0.1333

RGB percentages69%, 0%, 13.3%

HSLhsl(348.4, 100%, 34.5%)

HSV / HSBhsv(348.4, 100%, 69%)

CMYK0%, 100%, 80.7%, 31%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,534,370

CSS custom property--colour: #B00022;

Brightness & contrast

Relative luminance0.09346WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.32:1

Contrast with white7.32:1WCAG normal text: AAA

Contrast with black2.87:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#4FFFDD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#474021no red cones; affects about 1% of men; ΔE 65.7 from the original

Deuteranopia#6E621Ano green cones; the most common form, about 1% of men; ΔE 65.6 from the original

Tritanopia#C20014no blue cones; rare, and affects men and women equally; ΔE 13.5 from the original

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

Contrast with white, large text7.32:1WCAG large text: AAA

Contrast with black, large text2.87:1WCAG large text: Fail

Named colours

Firebrick · ΔE 6.4 Brown · ΔE 12.4 Crimson · ΔE 14.3 Dark red · ΔE 14.7 Maroon · ΔE 17.5 Indian red · ΔE 26.8

Nearest named CSS colourFirebrick (#B22222)ΔE 6.43, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B08E

Analogous#B0007A, #B03600

Triadic#22B000, #0022B0

Split complementary#00B036, #007AB0

Tetradic#7AB000, #00B08E, #3600B0

Tints, shades & saturation

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

Lighter +40%#FF7D96

Lighter +30%#FF4A6D

Lighter +20%#FF1744

Lighter +10%#E3002C

Darker −10%#7D0018

Darker −20%#4A000E

Darker −30%#170004

Darker −40%#000000

More saturated +25%#B00022

Less saturated −25%#9A162F

Channel breakdown

R176

B34

Red176 (69%)

Green0 (0%)

Blue34 (13.3%)

Hue348.41°

Saturation (HSL)100%

Lightness34.51%

Dominant channelRed

Hex per channelR B0 · G 00 · B 22

Keep nerding

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

#B00022

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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