#B1637B#B1637B

#B1637B is a mid, moderate pink. Relative luminance 0.197; OKLCH L 59.5% C 0.104 H 1.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#B1637B
RGB	rgb(177, 99, 123)
HSL	hsl(342, 33%, 54%)
HSV	hsv(342, 44%, 69%)
CMYK	cmyk(0%, 44.1%, 30.5%, 30.6%)
CIE-LAB	lab(51.50, 34.33, 0.53)
CIE-LCH	lch(51.50, 34.34, 0.89°)
OKLab	oklab(59.53% 0.104 0.0019)
OKLCH	oklch(59.53% 0.104 1)
XYZ	xyz(26.1694, 19.7030, 21.1598)
Luminance	0.1970 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1637B #63B199

analogous

#B163A2 #B1637B #B17263

triadic

#B1637B #7BB163 #637BB1

tetradic

#B1637B #A2B163 #63B199 #7263B1

square

#B1637B #A2B163 #63B199 #7263B1

split-complementary

#B1637B #63B172 #63A2B1

monochromatic

#663343 #8F485E #B1637B #C58C9E #DAB5C0

Accessibility & contrast

On white

4.25

#B1637B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#B1637B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B1637B

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1637B	#FFFFFF	#000000	##000000
##B1637B	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F727C

Deuteranopia (green-blind)

#828079

Tritanopia (blue-blind)

#BD5E6C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #b1637b;
/* rgb */ color: rgb(177, 99, 123);
/* oklch */ color: oklch(59.5% 0.104 1.0);

Tailwind

colors: {
  custom: {
    50: '#ca91a1',
    500: '#b1637b',
    950: '#000000',
  },
}

SCSS

$custom: #b1637b;
$custom-light: #ca91a1;
$custom-dark: #000000;

JSON

{
  "hex": "#b1637b",
  "rgb": {
    "r": 177,
    "g": 99,
    "b": 123
  },
  "hsl": {
    "h": 341.538,
    "s": 33.333,
    "l": 54.118
  },
  "oklch": {
    "l": 0.59528,
    "c": 0.104,
    "h": 1
  },
  "luminance": 0.19701
}

Semantic roles & 50–950 ramp

primary

#B1637B

secondary

#A7C8BE

accent

#C9A85E

background

#FCF9F9

surface

#F9F1F2

border

#D2CBCC

text

#130D0E

muted

#827E7E

Preview Lab

Preview with #B1637B

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

Preview Lab → · Contrast checker → · Palette generator →