Colour

#B7012E

#B7012E
Red
Dark
Nearest: Firebrick

#B7012E is a red with RGB values 183, 1, 46 and HSL 345°, 99%, 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

#B7012E#B7012E

HEX#B7012E

RGBrgb(183, 1, 46)

RGB (0–1)0.7176, 0.0039, 0.1804

RGB percentages71.8%, 0.4%, 18%

HSLhsl(345.2, 98.9%, 36.1%)

HSV / HSBhsv(345.2, 99.5%, 71.8%)

CMYK0%, 99.5%, 74.9%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,993,390

CSS custom property--colour: #B7012E;

Brightness & contrast

Relative luminance0.10286WCAG 2.x, 0 is black and 1 is white

Perceived brightness101.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.87:1

Contrast with white6.87:1WCAG normal text: AA

Contrast with black3.06:1WCAG normal text: Fail

Greyscale equivalent#2B2B2B

Inverted#48FED1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#49442Eno red cones; affects about 1% of men; ΔE 67.7 from the original

Deuteranopia#726628no green cones; the most common form, about 1% of men; ΔE 67.1 from the original

Tritanopia#CA001Bno blue cones; rare, and affects men and women equally; ΔE 17 from the original

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

Contrast with white, large text6.87:1WCAG large text: AAA

Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Firebrick · ΔE 10.6 Crimson · ΔE 12.1 Brown · ΔE 13.6 Dark red · ΔE 19.6 Maroon · ΔE 21.5 Indian red · ΔE 25.1

Nearest named CSS colourFirebrick (#B22222)ΔE 10.61, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01B78A

Analogous#B70189, #B72F01

Triadic#2EB701, #012EB7

Split complementary#01B72F, #0189B7

Tetradic#89B701, #01B78A, #2F01B7

Tints, shades & saturation

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

Lighter +40%#FE86A3

Lighter +30%#FE537D

Lighter +20%#FE2057

Lighter +10%#EA013B

Darker −10%#840121

Darker −20%#520014

Darker −30%#1F0008

Darker −40%#000000

More saturated +25%#B8002D

Less saturated −25%#A0183A

Channel breakdown

R183

B46

Red183 (71.8%)

Green1 (0.4%)

Blue46 (18%)

Hue345.16°

Saturation (HSL)98.91%

Lightness36.08%

Dominant channelRed

Hex per channelR B7 · G 01 · B 2E

Keep nerding

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

#B7012E

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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