#B1273C#B1273C

#B1273C is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.3% C 0.173 H 18.3°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#B1273C
RGB	rgb(177, 39, 60)
HSL	hsl(351, 64%, 42%)
HSV	hsv(351, 78%, 69%)
CMYK	cmyk(0%, 78%, 66.1%, 30.6%)
CIE-LAB	lab(39.79, 55.28, 22.78)
CIE-LCH	lch(39.79, 59.79, 22.40°)
OKLab	oklab(50.26% 0.1642 0.0542)
OKLCH	oklch(50.26% 0.173 18.3)
XYZ	xyz(19.6747, 11.1274, 5.3859)
Luminance	0.1112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1273C #27B19C

analogous

#B12781 #B1273C #B15727

triadic

#B1273C #3CB127 #273CB1

tetradic

#B1273C #81B127 #27B19C #5727B1

square

#B1273C #81B127 #27B19C #5727B1

split-complementary

#B1273C #27B157 #2781B1

monochromatic

#4D111A #7F1C2B #B1273C #D54057 #E07283

Accessibility & contrast

On white

6.51

#B1273C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B1273C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1273C

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1273C	#FFFFFF	#000000	##FFFFFF
##B1273C	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3C

Deuteranopia (green-blind)

#726838

Tritanopia (blue-blind)

#C20030

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b1273c;
/* rgb */ color: rgb(177, 39, 60);
/* oklch */ color: oklch(50.3% 0.173 18.3);

Tailwind

colors: {
  custom: {
    50: '#d06e71',
    500: '#b1273c',
    950: '#000000',
  },
}

SCSS

$custom: #b1273c;
$custom-light: #d06e71;
$custom-dark: #000000;

JSON

{
  "hex": "#b1273c",
  "rgb": {
    "r": 177,
    "g": 39,
    "b": 60
  },
  "hsl": {
    "h": 350.87,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50257,
    "c": 0.1729,
    "h": 18.3
  },
  "luminance": 0.11124
}

Semantic roles & 50–950 ramp

primary

#B1273C

secondary

#6DC7B9

accent

#E7CE41

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B1273C

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

Preview Lab → · Contrast checker → · Palette generator →