#B03748#B03748

#B03748 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.156 H 16.5°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B03748
RGB	rgb(176, 55, 72)
HSL	hsl(352, 52%, 45%)
HSV	hsv(352, 69%, 69%)
CMYK	cmyk(0%, 68.8%, 59.1%, 31%)
CIE-LAB	lab(41.90, 50.02, 18.01)
CIE-LCH	lch(41.90, 53.16, 19.80°)
OKLab	oklab(51.86% 0.1498 0.0443)
OKLCH	oklch(51.86% 0.156 16.5)
XYZ	xyz(20.4423, 12.4332, 7.4530)
Luminance	0.1243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03748 #37B09F

analogous

#B03785 #B03748 #B06237

triadic

#B03748 #48B037 #3748B0

tetradic

#B03748 #85B037 #37B09F #6237B0

square

#B03748 #85B037 #37B09F #6237B0

split-complementary

#B03748 #37B062 #3785B0

monochromatic

#531A22 #812835 #B03748 #CB5969 #DA8893

Accessibility & contrast

On white

6.02

#B03748 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B03748 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03748

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03748	#FFFFFF	#000000	##FFFFFF
##B03748	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565348

Deuteranopia (green-blind)

#756C45

Tritanopia (blue-blind)

#C11B3E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03748;
/* rgb */ color: rgb(176, 55, 72);
/* oklch */ color: oklch(51.9% 0.156 16.5);

Tailwind

colors: {
  custom: {
    50: '#ce767a',
    500: '#b03748',
    950: '#000000',
  },
}

SCSS

$custom: #b03748;
$custom-light: #ce767a;
$custom-dark: #000000;

JSON

{
  "hex": "#b03748",
  "rgb": {
    "r": 176,
    "g": 55,
    "b": 72
  },
  "hsl": {
    "h": 351.57,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51859,
    "c": 0.15619,
    "h": 16.5
  },
  "luminance": 0.1243
}

Semantic roles & 50–950 ramp

primary

#B03748

secondary

#7FC4BA

accent

#DCC84C

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B03748

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

Preview Lab → · Contrast checker → · Palette generator →