#B0273F#B0273F

#B0273F is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.172 H 16.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#B0273F
RGB	rgb(176, 39, 63)
HSL	hsl(349, 64%, 42%)
HSV	hsv(349, 78%, 69%)
CMYK	cmyk(0%, 77.8%, 64.2%, 31%)
CIE-LAB	lab(39.65, 55.16, 20.68)
CIE-LCH	lch(39.65, 58.91, 20.55°)
OKLab	oklab(50.14% 0.1646 0.0497)
OKLCH	oklch(50.14% 0.172 16.8)
XYZ	xyz(19.5293, 11.0430, 5.8048)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0273F #27B098

analogous

#B02784 #B0273F #B05427

triadic

#B0273F #3FB027 #273FB0

tetradic

#B0273F #84B027 #27B098 #5427B0

square

#B0273F #84B027 #27B098 #5427B0

split-complementary

#B0273F #27B054 #2784B0

monochromatic

#4C111B #7E1C2D #B0273F #D5405A #E07285

Accessibility & contrast

On white

6.55

#B0273F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B0273F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0273F

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0273F	#FFFFFF	#000000	##FFFFFF
##B0273F	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3F

Deuteranopia (green-blind)

#71683B

Tritanopia (blue-blind)

#C10031

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b0273f;
/* rgb */ color: rgb(176, 39, 63);
/* oklch */ color: oklch(50.1% 0.172 16.8);

Tailwind

colors: {
  custom: {
    50: '#cf6e73',
    500: '#b0273f',
    950: '#000000',
  },
}

SCSS

$custom: #b0273f;
$custom-light: #cf6e73;
$custom-dark: #000000;

JSON

{
  "hex": "#b0273f",
  "rgb": {
    "r": 176,
    "g": 39,
    "b": 63
  },
  "hsl": {
    "h": 349.489,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50135,
    "c": 0.17192,
    "h": 16.8
  },
  "luminance": 0.1104
}

Semantic roles & 50–950 ramp

primary

#B0273F

secondary

#6CC7B7

accent

#E7CA41

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B0273F

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

Preview Lab → · Contrast checker → · Palette generator →