#B03753#B03753

#B03753 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.157 H 10.7°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B03753
RGB	rgb(176, 55, 83)
HSL	hsl(346, 52%, 45%)
HSV	hsv(346, 69%, 69%)
CMYK	cmyk(0%, 68.8%, 52.8%, 31%)
CIE-LAB	lab(42.14, 50.87, 11.49)
CIE-LCH	lch(42.14, 52.16, 12.72°)
OKLab	oklab(52.12% 0.1542 0.0292)
OKLCH	oklch(52.12% 0.157 10.7)
XYZ	xyz(20.8338, 12.5898, 9.5149)
Luminance	0.1259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03753 #37B094

analogous

#B0378F #B03753 #B05837

triadic

#B03753 #53B037 #3753B0

tetradic

#B03753 #8FB037 #37B094 #5837B0

square

#B03753 #8FB037 #37B094 #5837B0

split-complementary

#B03753 #37B058 #378FB0

monochromatic

#531A27 #81283D #B03753 #CB5973 #DA889B

Accessibility & contrast

On white

5.97

#B03753 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B03753 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03753

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03753	#FFFFFF	#000000	##FFFFFF
##B03753	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545453

Deuteranopia (green-blind)

#736C50

Tritanopia (blue-blind)

#C02042

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03753;
/* rgb */ color: rgb(176, 55, 83);
/* oklch */ color: oklch(52.1% 0.157 10.7);

Tailwind

colors: {
  custom: {
    50: '#cd7683',
    500: '#b03753',
    950: '#000000',
  },
}

SCSS

$custom: #b03753;
$custom-light: #cd7683;
$custom-dark: #000000;

JSON

{
  "hex": "#b03753",
  "rgb": {
    "r": 176,
    "g": 55,
    "b": 83
  },
  "hsl": {
    "h": 346.116,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52118,
    "c": 0.15691,
    "h": 10.7
  },
  "luminance": 0.12587
}

Semantic roles & 50–950 ramp

primary

#B03753

secondary

#7FC4B4

accent

#DCBB4C

background

#FDF7F7

surface

#FAEDEE

border

#D3C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B03753

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

Preview Lab → · Contrast checker → · Palette generator →