#B03C25#B03C25

#B03C25 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.156 H 33.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B03C25
RGB	rgb(176, 60, 37)
HSL	hsl(10, 65%, 42%)
HSV	hsv(10, 79%, 69%)
CMYK	cmyk(0%, 65.9%, 79%, 31%)
CIE-LAB	lab(42.15, 46.03, 38.95)
CIE-LCH	lch(42.15, 60.30, 40.24°)
OKLab	oklab(51.88% 0.1303 0.0851)
OKLCH	oklch(51.88% 0.156 33.1)
XYZ	xyz(19.8565, 12.5983, 3.1361)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03C25 #2599B0

analogous

#B02554 #B03C25 #B08225

triadic

#B03C25 #25B03C #3C25B0

tetradic

#B03C25 #54B025 #2599B0 #8225B0

square

#B03C25 #54B025 #2599B0 #8225B0

split-complementary

#B03C25 #25B082 #2554B0

monochromatic

#4B1A10 #7D2B1A #B03C25 #D6563C #E1826F

Accessibility & contrast

On white

5.97

#B03C25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B03C25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03C25

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03C25	#FFFFFF	#000000	##FFFFFF
##B03C25	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)

#5D5322

Deuteranopia (green-blind)

#7A6D20

Tritanopia (blue-blind)

#C21B38

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03c25;
/* rgb */ color: rgb(176, 60, 37);
/* oklch */ color: oklch(51.9% 0.156 33.1);

Tailwind

colors: {
  custom: {
    50: '#d07861',
    500: '#b03c25',
    950: '#000000',
  },
}

SCSS

$custom: #b03c25;
$custom-light: #d07861;
$custom-dark: #000000;

JSON

{
  "hex": "#b03c25",
  "rgb": {
    "r": 176,
    "g": 60,
    "b": 37
  },
  "hsl": {
    "h": 9.928,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51884,
    "c": 0.15558,
    "h": 33.1
  },
  "luminance": 0.12595
}

Semantic roles & 50–950 ramp

primary

#B03C25

secondary

#6AB8C7

accent

#CCE840

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B03C25

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

Preview Lab → · Contrast checker → · Palette generator →