#B03A2A#B03A2A

#B03A2A is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.156 H 30.7°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B03A2A
RGB	rgb(176, 58, 42)
HSL	hsl(7, 61%, 43%)
HSV	hsv(7, 76%, 69%)
CMYK	cmyk(0%, 67%, 76.1%, 31%)
CIE-LAB	lab(41.89, 47.08, 35.95)
CIE-LCH	lch(41.89, 59.23, 37.36°)
OKLab	oklab(51.7% 0.1345 0.0799)
OKLCH	oklch(51.7% 0.156 30.7)
XYZ	xyz(19.8377, 12.4263, 3.5440)
Luminance	0.1242 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03A2A #2AA0B0

analogous

#B02A5D #B03A2A #B07D2A

triadic

#B03A2A #2AB03A #3A2AB0

tetradic

#B03A2A #5DB02A #2AA0B0 #7D2AB0

square

#B03A2A #5DB02A #2AA0B0 #7D2AB0

split-complementary

#B03A2A #2AB07D #2A5DB0

monochromatic

#4D1912 #7F2A1E #B03A2A #D35645 #DE8376

Accessibility & contrast

On white

6.03

#B03A2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B03A2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03A2A

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03A2A	#FFFFFF	#000000	##FFFFFF
##B03A2A	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5227

Deuteranopia (green-blind)

#796C26

Tritanopia (blue-blind)

#C21737

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03a2a;
/* rgb */ color: rgb(176, 58, 42);
/* oklch */ color: oklch(51.7% 0.156 30.7);

Tailwind

colors: {
  custom: {
    50: '#d07764',
    500: '#b03a2a',
    950: '#000000',
  },
}

SCSS

$custom: #b03a2a;
$custom-light: #d07764;
$custom-dark: #000000;

JSON

{
  "hex": "#b03a2a",
  "rgb": {
    "r": 176,
    "g": 58,
    "b": 42
  },
  "hsl": {
    "h": 7.164,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51701,
    "c": 0.15648,
    "h": 30.7
  },
  "luminance": 0.12423
}

Semantic roles & 50–950 ramp

primary

#B03A2A

secondary

#70BCC6

accent

#D1E543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B03A2A

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

Preview Lab → · Contrast checker → · Palette generator →