#B03B2A#B03B2A

#B03B2A is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.156 H 31.1°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#B03B2A
RGB	rgb(176, 59, 42)
HSL	hsl(8, 61%, 43%)
HSV	hsv(8, 76%, 69%)
CMYK	cmyk(0%, 66.5%, 76.1%, 31%)
CIE-LAB	lab(42.04, 46.65, 36.12)
CIE-LCH	lch(42.04, 59.00, 37.74°)
OKLab	oklab(51.82% 0.1332 0.0803)
OKLCH	oklch(51.82% 0.156 31.1)
XYZ	xyz(19.8886, 12.5281, 3.5609)
Luminance	0.1253 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03B2A #2A9FB0

analogous

#B02A5C #B03B2A #B07E2A

triadic

#B03B2A #2AB03B #3B2AB0

tetradic

#B03B2A #5CB02A #2A9FB0 #7E2AB0

square

#B03B2A #5CB02A #2A9FB0 #7E2AB0

split-complementary

#B03B2A #2AB07E #2A5CB0

monochromatic

#4D1A12 #7F2A1E #B03B2A #D35745 #DE8376

Accessibility & contrast

On white

5.99

#B03B2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B03B2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03B2A

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03B2A	#FFFFFF	#000000	##FFFFFF
##B03B2A	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5327

Deuteranopia (green-blind)

#796D26

Tritanopia (blue-blind)

#C21A38

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03b2a;
/* rgb */ color: rgb(176, 59, 42);
/* oklch */ color: oklch(51.8% 0.156 31.1);

Tailwind

colors: {
  custom: {
    50: '#d07764',
    500: '#b03b2a',
    950: '#000000',
  },
}

SCSS

$custom: #b03b2a;
$custom-light: #d07764;
$custom-dark: #000000;

JSON

{
  "hex": "#b03b2a",
  "rgb": {
    "r": 176,
    "g": 59,
    "b": 42
  },
  "hsl": {
    "h": 7.612,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51819,
    "c": 0.15552,
    "h": 31.1
  },
  "luminance": 0.12525
}

Semantic roles & 50–950 ramp

primary

#B03B2A

secondary

#70BBC6

accent

#D0E543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B03B2A

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

Preview Lab → · Contrast checker → · Palette generator →