#B03D23#B03D23

#B03D23 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.0% C 0.155 H 34.2°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B03D23
RGB	rgb(176, 61, 35)
HSL	hsl(11, 67%, 41%)
HSV	hsv(11, 80%, 69%)
CMYK	cmyk(0%, 65.3%, 80.1%, 31%)
CIE-LAB	lab(42.30, 45.52, 40.15)
CIE-LCH	lch(42.30, 60.70, 41.41°)
OKLab	oklab(51.99% 0.1283 0.0871)
OKLCH	oklch(51.99% 0.155 34.2)
XYZ	xyz(19.8788, 12.6918, 2.9928)
Luminance	0.1269 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D23 #2396B0

analogous

#B02350 #B03D23 #B08423

triadic

#B03D23 #23B03D #3D23B0

tetradic

#B03D23 #50B023 #2396B0 #8423B0

square

#B03D23 #50B023 #2396B0 #8423B0

split-complementary

#B03D23 #23B084 #2350B0

monochromatic

#4A1A0F #7D2B19 #B03D23 #D85639 #E2816C

Accessibility & contrast

On white

5.94

#B03D23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B03D23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D23

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D23	#FFFFFF	#000000	##FFFFFF
##B03D23	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E541F

Deuteranopia (green-blind)

#7A6D1E

Tritanopia (blue-blind)

#C21C38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03d23;
/* rgb */ color: rgb(176, 61, 35);
/* oklch */ color: oklch(52.0% 0.155 34.2);

Tailwind

colors: {
  custom: {
    50: '#d07860',
    500: '#b03d23',
    950: '#000000',
  },
}

SCSS

$custom: #b03d23;
$custom-light: #d07860;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d23",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 35
  },
  "hsl": {
    "h": 11.064,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51986,
    "c": 0.15506,
    "h": 34.2
  },
  "luminance": 0.12689
}

Semantic roles & 50–950 ramp

primary

#B03D23

secondary

#67B6C8

accent

#CAEA3E

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150905

muted

#837B79

Preview Lab

Preview with #B03D23

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

Preview Lab → · Contrast checker → · Palette generator →