#B03042#B03042

#B03042 is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.0% C 0.164 H 17.5°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B03042
RGB	rgb(176, 48, 66)
HSL	hsl(352, 57%, 44%)
HSV	hsv(352, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 62.5%, 31%)
CIE-LAB	lab(40.80, 52.30, 20.29)
CIE-LCH	lch(40.80, 56.10, 21.21°)
OKLab	oklab(51.01% 0.156 0.0491)
OKLCH	oklch(51.01% 0.164 17.5)
XYZ	xyz(19.9469, 11.7402, 6.3690)
Luminance	0.1174 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03042 #30B09E

analogous

#B03082 #B03042 #B05E30

triadic

#B03042 #42B030 #3042B0

tetradic

#B03042 #82B030 #30B09E #5E30B0

square

#B03042 #82B030 #30B09E #5E30B0

split-complementary

#B03042 #30B05E #3082B0

monochromatic

#50161E #802330 #B03042 #CF4E60 #DC7E8C

Accessibility & contrast

On white

6.27

#B03042 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B03042 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03042

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03042	#FFFFFF	#000000	##FFFFFF
##B03042	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534F42

Deuteranopia (green-blind)

#736A3E

Tritanopia (blue-blind)

#C10538

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03042;
/* rgb */ color: rgb(176, 48, 66);
/* oklch */ color: oklch(51.0% 0.164 17.5);

Tailwind

colors: {
  custom: {
    50: '#cf7276',
    500: '#b03042',
    950: '#000000',
  },
}

SCSS

$custom: #b03042;
$custom-light: #cf7276;
$custom-dark: #000000;

JSON

{
  "hex": "#b03042",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 66
  },
  "hsl": {
    "h": 351.563,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51005,
    "c": 0.16355,
    "h": 17.5
  },
  "luminance": 0.11737
}

Semantic roles & 50–950 ramp

primary

#B03042

secondary

#77C5BA

accent

#E0CB47

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B03042

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

Preview Lab → · Contrast checker → · Palette generator →