#B03929#B03929

#B03929 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.158 H 30.7°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#B03929
RGB	rgb(176, 57, 41)
HSL	hsl(7, 62%, 43%)
HSV	hsv(7, 77%, 69%)
CMYK	cmyk(0%, 67.6%, 76.7%, 31%)
CIE-LAB	lab(41.72, 47.46, 36.32)
CIE-LCH	lch(41.72, 59.77, 37.43°)
OKLab	oklab(51.57% 0.1355 0.0805)
OKLCH	oklch(51.57% 0.158 30.7)
XYZ	xyz(19.7701, 12.3194, 3.4343)
Luminance	0.1232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03929 #29A0B0

analogous

#B0295D #B03929 #B07C29

triadic

#B03929 #29B039 #3929B0

tetradic

#B03929 #5DB029 #29A0B0 #7C29B0

square

#B03929 #5DB029 #29A0B0 #7C29B0

split-complementary

#B03929 #29B07C #295DB0

monochromatic

#4D1912 #7E291D #B03929 #D35443 #DF8175

Accessibility & contrast

On white

6.06

#B03929 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B03929 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03929

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03929	#FFFFFF	#000000	##FFFFFF
##B03929	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5226

Deuteranopia (green-blind)

#796C25

Tritanopia (blue-blind)

#C21536

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b03929;
/* rgb */ color: rgb(176, 57, 41);
/* oklch */ color: oklch(51.6% 0.158 30.7);

Tailwind

colors: {
  custom: {
    50: '#d07664',
    500: '#b03929',
    950: '#000000',
  },
}

SCSS

$custom: #b03929;
$custom-light: #d07664;
$custom-dark: #000000;

JSON

{
  "hex": "#b03929",
  "rgb": {
    "r": 176,
    "g": 57,
    "b": 41
  },
  "hsl": {
    "h": 7.111,
    "s": 62.212,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51572,
    "c": 0.1576,
    "h": 30.7
  },
  "luminance": 0.12316
}

Semantic roles & 50–950 ramp

primary

#B03929

secondary

#6FBCC6

accent

#D2E543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B03929

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →