Recognised as Colour

#B2002A

#B2002A
Red
Dark
Nearest: Firebrick

#B2002A is a red with RGB values 178, 0, 42 and HSL 346°, 100%, 35%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#B2002A#B2002A

HEX#B2002A

RGBrgb(178, 0, 42)

RGB (0–1)0.698, 0, 0.1647

RGB percentages69.8%, 0%, 16.5%

HSLhsl(345.8, 100%, 34.9%)

HSV / HSBhsv(345.8, 100%, 69.8%)

CMYK0%, 100%, 76.4%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,665,450

CSS custom property--colour: #B2002A;

Brightness & contrast

Relative luminance0.09632WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.18:1

Contrast with white7.18:1WCAG normal text: AAA

Contrast with black2.93:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#4DFFD5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#474129no red cones; affects about 1% of men; ΔE 66.1 from the original

Deuteranopia#6F6323no green cones; the most common form, about 1% of men; ΔE 65.9 from the original

Tritanopia#C40018no blue cones; rare, and affects men and women equally; ΔE 16 from the original

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

Contrast with white, large text7.18:1WCAG large text: AAA

Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Firebrick · ΔE 9.3 Brown · ΔE 12.3 Crimson · ΔE 13.6 Dark red · ΔE 17.7 Maroon · ΔE 19.5 Indian red · ΔE 25.2

Nearest named CSS colourFirebrick (#B22222)ΔE 9.31, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B288

Analogous#B20083, #B22F00

Triadic#2AB200, #002AB2

Split complementary#00B22F, #0083B2

Tetradic#83B200, #00B288, #2F00B2

Tints, shades & saturation

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

Lighter +40%#FF7F9D

Lighter +30%#FF4C76

Lighter +20%#FF194F

Lighter +10%#E50036

Darker −10%#7F001E

Darker −20%#4C0012

Darker −30%#190006

Darker −40%#000000

More saturated +25%#B2002A

Less saturated −25%#9C1636

Channel breakdown

R178

B42

Red178 (69.8%)

Green0 (0%)

Blue42 (16.5%)

Hue345.84°

Saturation (HSL)100%

Lightness34.9%

Dominant channelRed

Hex per channelR B2 · G 00 · B 2A

Keep nerding

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

#B2002A

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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