#B03E2A#B03E2A

#B03E2A is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.153 H 32.2°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B03E2A
RGB	rgb(176, 62, 42)
HSL	hsl(9, 61%, 43%)
HSV	hsv(9, 76%, 69%)
CMYK	cmyk(0%, 64.8%, 76.1%, 31%)
CIE-LAB	lab(42.53, 45.35, 36.64)
CIE-LCH	lch(42.53, 58.30, 38.94°)
OKLab	oklab(52.18% 0.1291 0.0814)
OKLCH	oklch(52.18% 0.153 32.2)
XYZ	xyz(20.0472, 12.8454, 3.6138)
Luminance	0.1284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E2A #2A9CB0

analogous

#B02A59 #B03E2A #B0812A

triadic

#B03E2A #2AB03E #3E2AB0

tetradic

#B03E2A #59B02A #2A9CB0 #812AB0

square

#B03E2A #59B02A #2A9CB0 #812AB0

split-complementary

#B03E2A #2AB081 #2A59B0

monochromatic

#4D1B12 #7F2D1E #B03E2A #D35A45 #DE8676

Accessibility & contrast

On white

5.88

#B03E2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B03E2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E2A

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E2A	#FFFFFF	#000000	##FFFFFF
##B03E2A	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5527

Deuteranopia (green-blind)

#7A6E26

Tritanopia (blue-blind)

#C2203A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03e2a;
/* rgb */ color: rgb(176, 62, 42);
/* oklch */ color: oklch(52.2% 0.153 32.2);

Tailwind

colors: {
  custom: {
    50: '#cf7965',
    500: '#b03e2a',
    950: '#000000',
  },
}

SCSS

$custom: #b03e2a;
$custom-light: #cf7965;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e2a",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 42
  },
  "hsl": {
    "h": 8.955,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52184,
    "c": 0.15264,
    "h": 32.2
  },
  "luminance": 0.12843
}

Semantic roles & 50–950 ramp

primary

#B03E2A

secondary

#70B9C6

accent

#CCE543

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B03E2A

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

Preview Lab → · Contrast checker → · Palette generator →