#B1383A#B1383A

#B1383A is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.157 H 23.6°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B1383A
RGB	rgb(177, 56, 58)
HSL	hsl(359, 52%, 46%)
HSV	hsv(359, 68%, 69%)
CMYK	cmyk(0%, 68.4%, 67.2%, 30.6%)
CIE-LAB	lab(41.98, 49.04, 26.74)
CIE-LCH	lch(41.98, 55.85, 28.60°)
OKLab	oklab(51.87% 0.1439 0.0628)
OKLCH	oklch(51.87% 0.157 23.6)
XYZ	xyz(20.3115, 12.4839, 5.3423)
Luminance	0.1248 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1383A #38B1AF

analogous

#B13876 #B1383A #B17238

triadic

#B1383A #3AB138 #383AB1

tetradic

#B1383A #76B138 #38B1AF #7238B1

square

#B1383A #76B138 #38B1AF #7238B1

split-complementary

#B1383A #38B172 #3876B1

monochromatic

#541B1C #83292B #B1383A #CB5B5D #DA8A8B

Accessibility & contrast

On white

6.01

#B1383A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B1383A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1383A

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1383A	#FFFFFF	#000000	##FFFFFF
##B1383A	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595339

Deuteranopia (green-blind)

#776D36

Tritanopia (blue-blind)

#C2173A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b1383a;
/* rgb */ color: rgb(177, 56, 58);
/* oklch */ color: oklch(51.9% 0.157 23.6);

Tailwind

colors: {
  custom: {
    50: '#cf7670',
    500: '#b1383a',
    950: '#000000',
  },
}

SCSS

$custom: #b1383a;
$custom-light: #cf7670;
$custom-dark: #000000;

JSON

{
  "hex": "#b1383a",
  "rgb": {
    "r": 177,
    "g": 56,
    "b": 58
  },
  "hsl": {
    "h": 359.008,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5187,
    "c": 0.15698,
    "h": 23.6
  },
  "luminance": 0.12481
}

Semantic roles & 50–950 ramp

primary

#B1383A

secondary

#81C4C3

accent

#DBD94C

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B1383A

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

Preview Lab → · Contrast checker → · Palette generator →