#B03E24#B03E24

#B03E24 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.1% C 0.154 H 34.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B03E24
RGB	rgb(176, 62, 36)
HSL	hsl(11, 66%, 42%)
HSV	hsv(11, 80%, 69%)
CMYK	cmyk(0%, 64.8%, 79.5%, 31%)
CIE-LAB	lab(42.47, 45.12, 39.80)
CIE-LCH	lch(42.47, 60.16, 41.42°)
OKLab	oklab(52.12% 0.1272 0.0866)
OKLCH	oklch(52.12% 0.154 34.2)
XYZ	xyz(19.9478, 12.8056, 3.0901)
Luminance	0.1280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E24 #2496B0

analogous

#B02450 #B03E24 #B08424

triadic

#B03E24 #24B03E #3E24B0

tetradic

#B03E24 #50B024 #2496B0 #8424B0

square

#B03E24 #50B024 #2496B0 #8424B0

split-complementary

#B03E24 #24B084 #2450B0

monochromatic

#4A1A0F #7D2C1A #B03E24 #D7573A #E1836D

Accessibility & contrast

On white

5.90

#B03E24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B03E24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E24

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E24	#FFFFFF	#000000	##FFFFFF
##B03E24	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5420

Deuteranopia (green-blind)

#7B6E1F

Tritanopia (blue-blind)

#C21F39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03e24;
/* rgb */ color: rgb(176, 62, 36);
/* oklch */ color: oklch(52.1% 0.154 34.2);

Tailwind

colors: {
  custom: {
    50: '#d07961',
    500: '#b03e24',
    950: '#000000',
  },
}

SCSS

$custom: #b03e24;
$custom-light: #d07961;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e24",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 36
  },
  "hsl": {
    "h": 11.143,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5212,
    "c": 0.15392,
    "h": 34.2
  },
  "luminance": 0.12803
}

Semantic roles & 50–950 ramp

primary

#B03E24

secondary

#68B6C8

accent

#C9E93F

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B03E24

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

Preview Lab → · Contrast checker → · Palette generator →