#B03C28#B03C28

#B03C28 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.155 H 32.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B03C28
RGB	rgb(176, 60, 40)
HSL	hsl(9, 63%, 42%)
HSV	hsv(9, 77%, 69%)
CMYK	cmyk(0%, 65.9%, 77.3%, 31%)
CIE-LAB	lab(42.18, 46.14, 37.37)
CIE-LCH	lch(42.18, 59.38, 39.00°)
OKLab	oklab(51.92% 0.1312 0.0825)
OKLCH	oklch(51.92% 0.155 32.2)
XYZ	xyz(19.9056, 12.6179, 3.3944)
Luminance	0.1262 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03C28 #289CB0

analogous

#B02858 #B03C28 #B08028

triadic

#B03C28 #28B03C #3C28B0

tetradic

#B03C28 #58B028 #289CB0 #8028B0

square

#B03C28 #58B028 #289CB0 #8028B0

split-complementary

#B03C28 #28B080 #2858B0

monochromatic

#4C1A11 #7E2B1D #B03C28 #D45741 #DF8373

Accessibility & contrast

On white

5.96

#B03C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B03C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03C28

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03C28	#FFFFFF	#000000	##FFFFFF
##B03C28	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5325

Deuteranopia (green-blind)

#7A6D24

Tritanopia (blue-blind)

#C21B38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03c28;
/* rgb */ color: rgb(176, 60, 40);
/* oklch */ color: oklch(51.9% 0.155 32.2);

Tailwind

colors: {
  custom: {
    50: '#d07863',
    500: '#b03c28',
    950: '#000000',
  },
}

SCSS

$custom: #b03c28;
$custom-light: #d07863;
$custom-dark: #000000;

JSON

{
  "hex": "#b03c28",
  "rgb": {
    "r": 176,
    "g": 60,
    "b": 40
  },
  "hsl": {
    "h": 8.824,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.51916,
    "c": 0.15496,
    "h": 32.2
  },
  "luminance": 0.12615
}

Semantic roles & 50–950 ramp

primary

#B03C28

secondary

#6DB9C6

accent

#CEE642

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B03C28

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

Preview Lab → · Contrast checker → · Palette generator →