#B0273D#B0273D

#B0273D is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.172 H 17.7°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B0273D
RGB	rgb(176, 39, 61)
HSL	hsl(350, 64%, 42%)
HSV	hsv(350, 78%, 69%)
CMYK	cmyk(0%, 77.8%, 65.3%, 31%)
CIE-LAB	lab(39.62, 55.04, 21.89)
CIE-LCH	lch(39.62, 59.24, 21.68°)
OKLab	oklab(50.1% 0.1638 0.0523)
OKLCH	oklch(50.1% 0.172 17.7)
XYZ	xyz(19.4744, 11.0210, 5.5158)
Luminance	0.1102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0273D #27B09A

analogous

#B02782 #B0273D #B05627

triadic

#B0273D #3DB027 #273DB0

tetradic

#B0273D #82B027 #27B09A #5627B0

square

#B0273D #82B027 #27B09A #5627B0

split-complementary

#B0273D #27B056 #2782B0

monochromatic

#4C111A #7E1C2C #B0273D #D54058 #E07283

Accessibility & contrast

On white

6.56

#B0273D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B0273D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0273D

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0273D	#FFFFFF	#000000	##FFFFFF
##B0273D	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)

#4F4B3D

Deuteranopia (green-blind)

#716839

Tritanopia (blue-blind)

#C10031

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b0273d;
/* rgb */ color: rgb(176, 39, 61);
/* oklch */ color: oklch(50.1% 0.172 17.7);

Tailwind

colors: {
  custom: {
    50: '#cf6e72',
    500: '#b0273d',
    950: '#000000',
  },
}

SCSS

$custom: #b0273d;
$custom-light: #cf6e72;
$custom-dark: #000000;

JSON

{
  "hex": "#b0273d",
  "rgb": {
    "r": 176,
    "g": 39,
    "b": 61
  },
  "hsl": {
    "h": 350.365,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50096,
    "c": 0.17192,
    "h": 17.7
  },
  "luminance": 0.11018
}

Semantic roles & 50–950 ramp

primary

#B0273D

secondary

#6CC7B8

accent

#E7CC41

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B0273D

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

Preview Lab → · Contrast checker → · Palette generator →