#B03134#B03134

#B03134 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.163 H 24.0°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#B03134
RGB	rgb(176, 49, 52)
HSL	hsl(359, 56%, 44%)
HSV	hsv(359, 72%, 69%)
CMYK	cmyk(0%, 72.2%, 70.5%, 31%)
CIE-LAB	lab(40.70, 51.13, 28.77)
CIE-LCH	lch(40.70, 58.67, 29.36°)
OKLab	oklab(50.85% 0.1494 0.0664)
OKLCH	oklch(50.85% 0.163 24)
XYZ	xyz(19.6248, 11.6776, 4.4688)
Luminance	0.1168 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03134 #31B0AD

analogous

#B03174 #B03134 #B06E31

triadic

#B03134 #34B031 #3134B0

tetradic

#B03134 #74B031 #31B0AD #6E31B0

square

#B03134 #74B031 #31B0AD #6E31B0

split-complementary

#B03134 #31B06E #3174B0

monochromatic

#501618 #802426 #B03134 #CE5053 #DC8082

Accessibility & contrast

On white

6.30

#B03134 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B03134 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03134

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03134	#FFFFFF	#000000	##FFFFFF
##B03134	1.00	6.30	3.34	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F33

Deuteranopia (green-blind)

#756A30

Tritanopia (blue-blind)

#C20034

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03134;
/* rgb */ color: rgb(176, 49, 52);
/* oklch */ color: oklch(50.9% 0.163 24.0);

Tailwind

colors: {
  custom: {
    50: '#cf726b',
    500: '#b03134',
    950: '#000000',
  },
}

SCSS

$custom: #b03134;
$custom-light: #cf726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b03134",
  "rgb": {
    "r": 176,
    "g": 49,
    "b": 52
  },
  "hsl": {
    "h": 358.583,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50854,
    "c": 0.16347,
    "h": 24
  },
  "luminance": 0.11675
}

Semantic roles & 50–950 ramp

primary

#B03134

secondary

#78C5C3

accent

#E0DC48

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B03134

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

Preview Lab → · Contrast checker → · Palette generator →