#B03C24#B03C24

#B03C24 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.156 H 33.5°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B03C24
RGB	rgb(176, 60, 36)
HSL	hsl(10, 66%, 42%)
HSV	hsv(10, 80%, 69%)
CMYK	cmyk(0%, 65.9%, 79.5%, 31%)
CIE-LAB	lab(42.14, 45.99, 39.47)
CIE-LCH	lch(42.14, 60.61, 40.64°)
OKLab	oklab(51.87% 0.13 0.0859)
OKLCH	oklch(51.87% 0.156 33.5)
XYZ	xyz(19.8410, 12.5921, 3.0545)
Luminance	0.1259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03C24 #2498B0

analogous

#B02452 #B03C24 #B08224

triadic

#B03C24 #24B03C #3C24B0

tetradic

#B03C24 #52B024 #2498B0 #8224B0

square

#B03C24 #52B024 #2498B0 #8224B0

split-complementary

#B03C24 #24B082 #2452B0

monochromatic

#4A190F #7D2B1A #B03C24 #D7553A #E1816D

Accessibility & contrast

On white

5.97

#B03C24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B03C24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03C24

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03C24	#FFFFFF	#000000	##FFFFFF
##B03C24	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5320

Deuteranopia (green-blind)

#7A6D1F

Tritanopia (blue-blind)

#C21A37

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03c24;
/* rgb */ color: rgb(176, 60, 36);
/* oklch */ color: oklch(51.9% 0.156 33.5);

Tailwind

colors: {
  custom: {
    50: '#d07860',
    500: '#b03c24',
    950: '#000000',
  },
}

SCSS

$custom: #b03c24;
$custom-light: #d07860;
$custom-dark: #000000;

JSON

{
  "hex": "#b03c24",
  "rgb": {
    "r": 176,
    "g": 60,
    "b": 36
  },
  "hsl": {
    "h": 10.286,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51874,
    "c": 0.15578,
    "h": 33.5
  },
  "luminance": 0.12589
}

Semantic roles & 50–950 ramp

primary

#B03C24

secondary

#68B7C8

accent

#CCE93F

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B03C24

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

Preview Lab → · Contrast checker → · Palette generator →