#B03D40#B03D40

#B03D40 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.150 H 22.4°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B03D40
RGB	rgb(176, 61, 64)
HSL	hsl(358, 49%, 46%)
HSV	hsv(358, 65%, 69%)
CMYK	cmyk(0%, 65.3%, 63.6%, 31%)
CIE-LAB	lab(42.67, 46.95, 23.94)
CIE-LCH	lch(42.67, 52.70, 27.01°)
OKLab	oklab(52.39% 0.1386 0.0573)
OKLCH	oklch(52.39% 0.15 22.4)
XYZ	xyz(20.5007, 12.9406, 6.2678)
Luminance	0.1294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D40 #3DB0AD

analogous

#B03D7A #B03D40 #B0743D

triadic

#B03D40 #40B03D #3D40B0

tetradic

#B03D40 #7AB03D #3DB0AD #743DB0

square

#B03D40 #7AB03D #3DB0AD #743DB0

split-complementary

#B03D40 #3DB074 #3D7AB0

monochromatic

#551D1F #832D2F #B03D40 #C86264 #D88F91

Accessibility & contrast

On white

5.85

#B03D40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B03D40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D40

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D40	#FFFFFF	#000000	##FFFFFF
##B03D40	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553F

Deuteranopia (green-blind)

#786E3D

Tritanopia (blue-blind)

#C1233F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03d40;
/* rgb */ color: rgb(176, 61, 64);
/* oklch */ color: oklch(52.4% 0.150 22.4);

Tailwind

colors: {
  custom: {
    50: '#ce7974',
    500: '#b03d40',
    950: '#000000',
  },
}

SCSS

$custom: #b03d40;
$custom-light: #ce7974;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d40",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 358.435,
    "s": 48.523,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52391,
    "c": 0.14995,
    "h": 22.4
  },
  "luminance": 0.12938
}

Semantic roles & 50–950 ramp

primary

#B03D40

secondary

#86C3C2

accent

#D8D550

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03D40

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

Preview Lab → · Contrast checker → · Palette generator →