Colour

#B03319

#B03319
Red
Dark
Nearest: Firebrick

#B03319 is a red with RGB values 176, 51, 25 and HSL 10°, 75%, 39%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B03319#B03319

HEX#B03319

RGBrgb(176, 51, 25)

RGB (0–1)0.6902, 0.2, 0.098

RGB percentages69%, 20%, 9.8%

HSLhsl(10.3, 75.1%, 39.4%)

HSV / HSBhsv(10.3, 85.8%, 69%)

CMYK0%, 71%, 85.8%, 31%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,547,417

CSS custom property--colour: #B03319;

Brightness & contrast

Relative luminance0.11668WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.3:1

Contrast with white6.3:1WCAG normal text: AA

Contrast with black3.33:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#4FCCE6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#594E14no red cones; affects about 1% of men; ΔE 53.5 from the original

Deuteranopia#776A11no green cones; the most common form, about 1% of men; ΔE 54.2 from the original

Tritanopia#C2002Fno 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 text6.3:1WCAG large text: AAA

Contrast with black, large text3.33:1WCAG large text: AA

Named colours

Firebrick · ΔE 9 Dark red · ΔE 12.9 Brown · ΔE 13.5 Maroon · ΔE 16.2 Sienna · ΔE 21.8 Saddle brown · ΔE 23.3

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#1996B0

Analogous#B0194B, #B07F19

Triadic#19B033, #3319B0

Split complementary#19B07E, #194BB0

Tetradic#4BB019, #1996B0, #7E19B0

Tints, shades & saturation

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

Lighter +40%#F2B1A3

Lighter +30%#EC8B76

Lighter +20%#E5654A

Lighter +10%#DD401F

Darker −10%#832613

Darker −20%#57190C

Darker −30%#2A0C06

Darker −40%#000000

More saturated +25%#C92300

Less saturated −25%#974332

Channel breakdown

R176

G51

B25

Red176 (69%)

Green51 (20%)

Blue25 (9.8%)

Hue10.33°

Saturation (HSL)75.12%

Lightness39.41%

Dominant channelRed

Hex per channelR B0 · G 33 · B 19

Keep nerding

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

#B03319

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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