#B0273A#B0273A

#B0273A is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.172 H 19.0°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#B0273A
RGB	rgb(176, 39, 58)
HSL	hsl(352, 64%, 42%)
HSV	hsv(352, 78%, 69%)
CMYK	cmyk(0%, 77.8%, 67%, 31%)
CIE-LAB	lab(39.56, 54.87, 23.69)
CIE-LCH	lch(39.56, 59.77, 23.35°)
OKLab	oklab(50.04% 0.1626 0.056)
OKLCH	oklch(50.04% 0.172 19)
XYZ	xyz(19.3959, 10.9896, 5.1021)
Luminance	0.1099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0273A #27B09D

analogous

#B0277F #B0273A #B05927

triadic

#B0273A #3AB027 #273AB0

tetradic

#B0273A #7FB027 #27B09D #5927B0

square

#B0273A #7FB027 #27B09D #5927B0

split-complementary

#B0273A #27B059 #277FB0

monochromatic

#4C1119 #7E1C29 #B0273A #D54054 #E07281

Accessibility & contrast

On white

6.57

#B0273A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B0273A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0273A

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0273A	#FFFFFF	#000000	##FFFFFF
##B0273A	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3A

Deuteranopia (green-blind)

#726836

Tritanopia (blue-blind)

#C1002F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b0273a;
/* rgb */ color: rgb(176, 39, 58);
/* oklch */ color: oklch(50.0% 0.172 19.0);

Tailwind

colors: {
  custom: {
    50: '#cf6e70',
    500: '#b0273a',
    950: '#000000',
  },
}

SCSS

$custom: #b0273a;
$custom-light: #cf6e70;
$custom-dark: #000000;

JSON

{
  "hex": "#b0273a",
  "rgb": {
    "r": 176,
    "g": 39,
    "b": 58
  },
  "hsl": {
    "h": 351.679,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50039,
    "c": 0.17198,
    "h": 19
  },
  "luminance": 0.10987
}

Semantic roles & 50–950 ramp

primary

#B0273A

secondary

#6CC7BA

accent

#E7D041

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B0273A

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

Preview Lab → · Contrast checker → · Palette generator →