#B03A2F#B03A2F

#B03A2F is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.156 H 28.9°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B03A2F
RGB	rgb(176, 58, 47)
HSL	hsl(5, 58%, 44%)
HSV	hsv(5, 73%, 69%)
CMYK	cmyk(0%, 67%, 73.3%, 31%)
CIE-LAB	lab(41.94, 47.30, 33.17)
CIE-LCH	lch(41.94, 57.77, 35.04°)
OKLab	oklab(51.76% 0.1362 0.0751)
OKLCH	oklch(51.76% 0.156 28.9)
XYZ	xyz(19.9328, 12.4643, 4.0450)
Luminance	0.1246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03A2F #2FA5B0

analogous

#B02F64 #B03A2F #B07A2F

triadic

#B03A2F #2FB03A #3A2FB0

tetradic

#B03A2F #64B02F #2FA5B0 #7A2FB0

square

#B03A2F #64B02F #2FA5B0 #7A2FB0

split-complementary

#B03A2F #2FB07A #2F64B0

monochromatic

#4F1A15 #802A22 #B03A2F #CF584D #DC857D

Accessibility & contrast

On white

6.01

#B03A2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B03A2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03A2F

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03A2F	#FFFFFF	#000000	##FFFFFF
##B03A2F	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B532D

Deuteranopia (green-blind)

#786C2B

Tritanopia (blue-blind)

#C21938

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03a2f;
/* rgb */ color: rgb(176, 58, 47);
/* oklch */ color: oklch(51.8% 0.156 28.9);

Tailwind

colors: {
  custom: {
    50: '#cf7768',
    500: '#b03a2f',
    950: '#000000',
  },
}

SCSS

$custom: #b03a2f;
$custom-light: #cf7768;
$custom-dark: #000000;

JSON

{
  "hex": "#b03a2f",
  "rgb": {
    "r": 176,
    "g": 58,
    "b": 47
  },
  "hsl": {
    "h": 5.116,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51764,
    "c": 0.15554,
    "h": 28.9
  },
  "luminance": 0.12461
}

Semantic roles & 50–950 ramp

primary

#B03A2F

secondary

#76BEC5

accent

#D4E147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03A2F

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

Preview Lab → · Contrast checker → · Palette generator →