Colour

#B63C25

#B63C25
Red
Dark
Nearest: Firebrick

#B63C25 is a red with RGB values 182, 60, 37 and HSL 10°, 66%, 43%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B63C25#B63C25

HEX#B63C25

RGBrgb(182, 60, 37)

RGB (0–1)0.7137, 0.2353, 0.1451

RGB percentages71.4%, 23.5%, 14.5%

HSLhsl(9.5, 66.2%, 42.9%)

HSV / HSBhsv(9.5, 79.7%, 71.4%)

CMYK0%, 67%, 79.7%, 28.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,942,949

CSS custom property--colour: #B63C25;

Brightness & contrast

Relative luminance0.1331WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.73:1

Contrast with white5.73:1WCAG normal text: AA

Contrast with black3.66:1WCAG normal text: Fail

Greyscale equivalent#545454

Inverted#49C3DA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5521no red cones; affects about 1% of men; ΔE 52.5 from the original

Deuteranopia#7D7020no green cones; the most common form, about 1% of men; ΔE 52.9 from the original

Tritanopia#C81638no blue cones; rare, and affects men and women equally; ΔE 20 from the original

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

Contrast with white, large text5.73:1WCAG large text: AAA

Contrast with black, large text3.66:1WCAG large text: AA

Named colours

Firebrick · ΔE 9.2 Brown · ΔE 11.5 Dark red · ΔE 15.4 Maroon · ΔE 17.9 Sienna · ΔE 19.4 Indian red · ΔE 21.2

Nearest named CSS colourFirebrick (#B22222)ΔE 9.23, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#259FB6

Analogous#B62557, #B68525

Triadic#25B63C, #3C25B6

Split complementary#25B685, #2557B6

Tetradic#57B625, #259FB6, #8425B6

Tints, shades & saturation

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

Lighter +40%#F0C0B7

Lighter +30%#E89B8C

Lighter +20%#DF7662

Lighter +10%#D65138

Darker −10%#8C2E1C

Darker −20%#612014

Darker −30%#37120B

Darker −40%#0C0403

More saturated +25%#D1290A

Less saturated −25%#9B4F40

Channel breakdown

R182

G60

B37

Red182 (71.4%)

Green60 (23.5%)

Blue37 (14.5%)

Hue9.52°

Saturation (HSL)66.21%

Lightness42.94%

Dominant channelRed

Hex per channelR B6 · G 3C · B 25

Keep nerding

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

#B63C25

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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