#B12533#B12533

#B12533 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.175 H 21.6°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#B12533
RGB	rgb(177, 37, 51)
HSL	hsl(354, 65%, 42%)
HSV	hsv(354, 79%, 69%)
CMYK	cmyk(0%, 79.1%, 71.2%, 30.6%)
CIE-LAB	lab(39.43, 55.42, 27.91)
CIE-LCH	lch(39.43, 62.05, 26.73°)
OKLab	oklab(49.94% 0.1627 0.0643)
OKLCH	oklch(49.94% 0.175 21.6)
XYZ	xyz(19.3928, 10.9123, 4.2165)
Luminance	0.1091 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12533 #25B1A3

analogous

#B12579 #B12533 #B15D25

triadic

#B12533 #33B125 #2533B1

tetradic

#B12533 #79B125 #25B1A3 #5D25B1

square

#B12533 #79B125 #25B1A3 #5D25B1

split-complementary

#B12533 #25B15D #2579B1

monochromatic

#4C1016 #7E1A24 #B12533 #D63D4C #E16F7B

Accessibility & contrast

On white

6.60

#B12533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B12533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12533

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12533	#FFFFFF	#000000	##FFFFFF
##B12533	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504A32

Deuteranopia (green-blind)

#73682E

Tritanopia (blue-blind)

#C3002C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b12533;
/* rgb */ color: rgb(177, 37, 51);
/* oklch */ color: oklch(49.9% 0.175 21.6);

Tailwind

colors: {
  custom: {
    50: '#d16d6a',
    500: '#b12533',
    950: '#000000',
  },
}

SCSS

$custom: #b12533;
$custom-light: #d16d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b12533",
  "rgb": {
    "r": 177,
    "g": 37,
    "b": 51
  },
  "hsl": {
    "h": 354,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49942,
    "c": 0.17491,
    "h": 21.6
  },
  "luminance": 0.10909
}

Semantic roles & 50–950 ramp

primary

#B12533

secondary

#6AC8BE

accent

#E8D73F

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B12533

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

Preview Lab → · Contrast checker → · Palette generator →