#B12538#B12538

#B12538 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.175 H 19.6°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#B12538
RGB	rgb(177, 37, 56)
HSL	hsl(352, 65%, 42%)
HSV	hsv(352, 79%, 69%)
CMYK	cmyk(0%, 79.1%, 68.4%, 30.6%)
CIE-LAB	lab(39.51, 55.67, 24.92)
CIE-LCH	lch(39.51, 60.99, 24.11°)
OKLab	oklab(50.03% 0.1646 0.0584)
OKLCH	oklch(50.03% 0.175 19.6)
XYZ	xyz(19.5090, 10.9588, 4.8286)
Luminance	0.1096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12538 #25B19E

analogous

#B1257E #B12538 #B15825

triadic

#B12538 #38B125 #2538B1

tetradic

#B12538 #7EB125 #25B19E #5825B1

square

#B12538 #7EB125 #25B19E #5825B1

split-complementary

#B12538 #25B158 #257EB1

monochromatic

#4C1018 #7E1A28 #B12538 #D63D52 #E16F7F

Accessibility & contrast

On white

6.58

#B12538 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B12538 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12538

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12538	#FFFFFF	#000000	##FFFFFF
##B12538	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)

#4F4A38

Deuteranopia (green-blind)

#726834

Tritanopia (blue-blind)

#C3002E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b12538;
/* rgb */ color: rgb(177, 37, 56);
/* oklch */ color: oklch(50.0% 0.175 19.6);

Tailwind

colors: {
  custom: {
    50: '#d06d6e',
    500: '#b12538',
    950: '#000000',
  },
}

SCSS

$custom: #b12538;
$custom-light: #d06d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b12538",
  "rgb": {
    "r": 177,
    "g": 37,
    "b": 56
  },
  "hsl": {
    "h": 351.857,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.50025,
    "c": 0.17464,
    "h": 19.6
  },
  "luminance": 0.10956
}

Semantic roles & 50–950 ramp

primary

#B12538

secondary

#6AC8BB

accent

#E8D13F

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B12538

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

Preview Lab → · Contrast checker → · Palette generator →