#B12A23#B12A23

#B12A23 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.1% C 0.173 H 28.2°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#B12A23
RGB	rgb(177, 42, 35)
HSL	hsl(3, 67%, 42%)
HSV	hsv(3, 80%, 69%)
CMYK	cmyk(0%, 76.3%, 80.2%, 30.6%)
CIE-LAB	lab(39.79, 53.21, 37.71)
CIE-LCH	lch(39.79, 65.22, 35.32°)
OKLab	oklab(50.15% 0.1522 0.0816)
OKLCH	oklch(50.15% 0.173 28.2)
XYZ	xyz(19.2651, 11.1274, 2.7232)
Luminance	0.1112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12A23 #23AAB1

analogous

#B12363 #B12A23 #B17123

triadic

#B12A23 #23B12A #2A23B1

tetradic

#B12A23 #63B123 #23AAB1 #7123B1

square

#B12A23 #63B123 #23AAB1 #7123B1

split-complementary

#B12A23 #23B171 #2363B1

monochromatic

#4B120F #7E1E19 #B12A23 #D84139 #E2726C

Accessibility & contrast

On white

6.51

#B12A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B12A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12A23

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12A23	#FFFFFF	#000000	##FFFFFF
##B12A23	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)

#544B21

Deuteranopia (green-blind)

#75681D

Tritanopia (blue-blind)

#C3002A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b12a23;
/* rgb */ color: rgb(177, 42, 35);
/* oklch */ color: oklch(50.1% 0.173 28.2);

Tailwind

colors: {
  custom: {
    50: '#d26f5f',
    500: '#b12a23',
    950: '#000000',
  },
}

SCSS

$custom: #b12a23;
$custom-light: #d26f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b12a23",
  "rgb": {
    "r": 177,
    "g": 42,
    "b": 35
  },
  "hsl": {
    "h": 2.958,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50148,
    "c": 0.1727,
    "h": 28.2
  },
  "luminance": 0.11124
}

Semantic roles & 50–950 ramp

primary

#B12A23

secondary

#68C3C8

accent

#E1EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B12A23

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

Preview Lab → · Contrast checker → · Palette generator →