#B0273C#B0273C

#B0273C is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.172 H 18.1°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B0273C
RGB	rgb(176, 39, 60)
HSL	hsl(351, 64%, 42%)
HSV	hsv(351, 78%, 69%)
CMYK	cmyk(0%, 77.8%, 65.9%, 31%)
CIE-LAB	lab(39.60, 54.99, 22.49)
CIE-LCH	lch(39.60, 59.41, 22.24°)
OKLab	oklab(50.08% 0.1634 0.0535)
OKLCH	oklch(50.08% 0.172 18.1)
XYZ	xyz(19.4477, 11.0103, 5.3753)
Luminance	0.1101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0273C #27B09B

analogous

#B02781 #B0273C #B05727

triadic

#B0273C #3CB027 #273CB0

tetradic

#B0273C #81B027 #27B09B #5727B0

square

#B0273C #81B027 #27B09B #5727B0

split-complementary

#B0273C #27B057 #2781B0

monochromatic

#4C111A #7E1C2B #B0273C #D54056 #E07283

Accessibility & contrast

On white

6.56

#B0273C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B0273C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0273C

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0273C	#FFFFFF	#000000	##FFFFFF
##B0273C	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3C

Deuteranopia (green-blind)

#716838

Tritanopia (blue-blind)

#C10030

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b0273c;
/* rgb */ color: rgb(176, 39, 60);
/* oklch */ color: oklch(50.1% 0.172 18.1);

Tailwind

colors: {
  custom: {
    50: '#cf6e71',
    500: '#b0273c',
    950: '#000000',
  },
}

SCSS

$custom: #b0273c;
$custom-light: #cf6e71;
$custom-dark: #000000;

JSON

{
  "hex": "#b0273c",
  "rgb": {
    "r": 176,
    "g": 39,
    "b": 60
  },
  "hsl": {
    "h": 350.803,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50077,
    "c": 0.17193,
    "h": 18.1
  },
  "luminance": 0.11007
}

Semantic roles & 50–950 ramp

primary

#B0273C

secondary

#6CC7B9

accent

#E7CD41

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B0273C

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

Preview Lab → · Contrast checker → · Palette generator →