#B03D4E#B03D4E

#B03D4E is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.149 H 15.2°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B03D4E
RGB	rgb(176, 61, 78)
HSL	hsl(351, 49%, 46%)
HSV	hsv(351, 65%, 69%)
CMYK	cmyk(0%, 65.3%, 55.7%, 31%)
CIE-LAB	lab(42.94, 47.96, 15.70)
CIE-LCH	lch(42.94, 50.47, 18.12°)
OKLab	oklab(52.68% 0.1442 0.0392)
OKLCH	oklch(52.68% 0.149 15.2)
XYZ	xyz(20.9502, 13.1204, 8.6355)
Luminance	0.1312 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D4E #3DB09F

analogous

#B03D88 #B03D4E #B0663D

triadic

#B03D4E #4EB03D #3D4EB0

tetradic

#B03D4E #88B03D #3DB09F #663DB0

square

#B03D4E #88B03D #3DB09F #663DB0

split-complementary

#B03D4E #3DB066 #3D88B0

monochromatic

#551D26 #832D3A #B03D4E #C86271 #D88F9A

Accessibility & contrast

On white

5.80

#B03D4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B03D4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D4E

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D4E	#FFFFFF	#000000	##FFFFFF
##B03D4E	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59564E

Deuteranopia (green-blind)

#766E4B

Tritanopia (blue-blind)

#C02744

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03d4e;
/* rgb */ color: rgb(176, 61, 78);
/* oklch */ color: oklch(52.7% 0.149 15.2);

Tailwind

colors: {
  custom: {
    50: '#cd797f',
    500: '#b03d4e',
    950: '#000000',
  },
}

SCSS

$custom: #b03d4e;
$custom-light: #cd797f;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d4e",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 351.13,
    "s": 48.523,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52682,
    "c": 0.14942,
    "h": 15.2
  },
  "luminance": 0.13118
}

Semantic roles & 50–950 ramp

primary

#B03D4E

secondary

#86C3BA

accent

#D8C450

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B03D4E

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

Preview Lab → · Contrast checker → · Palette generator →