#B03B2F#B03B2F

#B03B2F is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.155 H 29.2°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B03B2F
RGB	rgb(176, 59, 47)
HSL	hsl(6, 58%, 44%)
HSV	hsv(6, 73%, 69%)
CMYK	cmyk(0%, 66.5%, 73.3%, 31%)
CIE-LAB	lab(42.10, 46.87, 33.35)
CIE-LCH	lch(42.10, 57.53, 35.43°)
OKLab	oklab(51.88% 0.1349 0.0755)
OKLCH	oklch(51.88% 0.155 29.2)
XYZ	xyz(19.9837, 12.5662, 4.0620)
Luminance	0.1256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03B2F #2FA4B0

analogous

#B02F63 #B03B2F #B07B2F

triadic

#B03B2F #2FB03B #3B2FB0

tetradic

#B03B2F #63B02F #2FA4B0 #7B2FB0

square

#B03B2F #63B02F #2FA4B0 #7B2FB0

split-complementary

#B03B2F #2FB07B #2F63B0

monochromatic

#4F1B15 #802B22 #B03B2F #CF594D #DC867D

Accessibility & contrast

On white

5.98

#B03B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B03B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03B2F

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03B2F	#FFFFFF	#000000	##FFFFFF
##B03B2F	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C532D

Deuteranopia (green-blind)

#796D2B

Tritanopia (blue-blind)

#C21B39

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03b2f;
/* rgb */ color: rgb(176, 59, 47);
/* oklch */ color: oklch(51.9% 0.155 29.2);

Tailwind

colors: {
  custom: {
    50: '#cf7768',
    500: '#b03b2f',
    950: '#000000',
  },
}

SCSS

$custom: #b03b2f;
$custom-light: #cf7768;
$custom-dark: #000000;

JSON

{
  "hex": "#b03b2f",
  "rgb": {
    "r": 176,
    "g": 59,
    "b": 47
  },
  "hsl": {
    "h": 5.581,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51882,
    "c": 0.15456,
    "h": 29.2
  },
  "luminance": 0.12563
}

Semantic roles & 50–950 ramp

primary

#B03B2F

secondary

#76BEC5

accent

#D3E147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03B2F

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

Preview Lab → · Contrast checker → · Palette generator →