#B12729#B12729

#B12729 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.174 H 25.6°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#B12729
RGB	rgb(177, 39, 41)
HSL	hsl(359, 64%, 42%)
HSV	hsv(359, 78%, 69%)
CMYK	cmyk(0%, 78%, 76.8%, 30.6%)
CIE-LAB	lab(39.52, 54.39, 34.00)
CIE-LCH	lch(39.52, 64.14, 32.01°)
OKLab	oklab(49.96% 0.1572 0.0754)
OKLCH	oklch(49.96% 0.174 25.6)
XYZ	xyz(19.2595, 10.9613, 3.1990)
Luminance	0.1096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12729 #27B1AF

analogous

#B1276E #B12729 #B16A27

triadic

#B12729 #29B127 #2729B1

tetradic

#B12729 #6EB127 #27B1AF #6A27B1

square

#B12729 #6EB127 #27B1AF #6A27B1

split-complementary

#B12729 #27B16A #276EB1

monochromatic

#4D1112 #7F1C1D #B12729 #D54042 #E07274

Accessibility & contrast

On white

6.58

#B12729 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B12729 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12729

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12729	#FFFFFF	#000000	##FFFFFF
##B12729	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A27

Deuteranopia (green-blind)

#746823

Tritanopia (blue-blind)

#C3002A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b12729;
/* rgb */ color: rgb(177, 39, 41);
/* oklch */ color: oklch(50.0% 0.174 25.6);

Tailwind

colors: {
  custom: {
    50: '#d16e63',
    500: '#b12729',
    950: '#000000',
  },
}

SCSS

$custom: #b12729;
$custom-light: #d16e63;
$custom-dark: #000000;

JSON

{
  "hex": "#b12729",
  "rgb": {
    "r": 177,
    "g": 39,
    "b": 41
  },
  "hsl": {
    "h": 359.13,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49961,
    "c": 0.17428,
    "h": 25.6
  },
  "luminance": 0.10958
}

Semantic roles & 50–950 ramp

primary

#B12729

secondary

#6DC7C6

accent

#E7E441

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B12729

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

Preview Lab → · Contrast checker → · Palette generator →