#B03034#B03034

#B03034 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.164 H 23.7°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#B03034
RGB	rgb(176, 48, 52)
HSL	hsl(358, 57%, 44%)
HSV	hsv(358, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 70.5%, 31%)
CIE-LAB	lab(40.56, 51.50, 28.61)
CIE-LCH	lch(40.56, 58.91, 29.05°)
OKLab	oklab(50.75% 0.1505 0.0661)
OKLCH	oklch(50.75% 0.164 23.7)
XYZ	xyz(19.5834, 11.5949, 4.4550)
Luminance	0.1159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03034 #30B0AC

analogous

#B03074 #B03034 #B06C30

triadic

#B03034 #34B030 #3034B0

tetradic

#B03034 #74B030 #30B0AC #6C30B0

square

#B03034 #74B030 #30B0AC #6C30B0

split-complementary

#B03034 #30B06C #3074B0

monochromatic

#501618 #802326 #B03034 #CF4E52 #DC7E81

Accessibility & contrast

On white

6.33

#B03034 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B03034 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03034

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03034	#FFFFFF	#000000	##FFFFFF
##B03034	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E33

Deuteranopia (green-blind)

#756A30

Tritanopia (blue-blind)

#C20033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03034;
/* rgb */ color: rgb(176, 48, 52);
/* oklch */ color: oklch(50.8% 0.164 23.7);

Tailwind

colors: {
  custom: {
    50: '#cf726b',
    500: '#b03034',
    950: '#000000',
  },
}

SCSS

$custom: #b03034;
$custom-light: #cf726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b03034",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 52
  },
  "hsl": {
    "h": 358.125,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50754,
    "c": 0.16439,
    "h": 23.7
  },
  "luminance": 0.11592
}

Semantic roles & 50–950 ramp

primary

#B03034

secondary

#77C5C2

accent

#E0DC47

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B03034

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

Preview Lab → · Contrast checker → · Palette generator →