#B1575E#B1575E

#B1575E is a mid, moderate red. Relative luminance 0.170; OKLCH L 56.8% C 0.117 H 16.7°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#B1575E
RGB	rgb(177, 87, 94)
HSL	hsl(355, 37%, 52%)
HSV	hsv(355, 51%, 69%)
CMYK	cmyk(0%, 50.8%, 46.9%, 30.6%)
CIE-LAB	lab(48.23, 37.25, 13.22)
CIE-LCH	lch(48.23, 39.53, 19.53°)
OKLab	oklab(56.8% 0.1123 0.0337)
OKLCH	oklch(56.8% 0.117 16.7)
XYZ	xyz(23.5616, 16.9741, 12.6230)
Luminance	0.1697 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1575E #57B1AA

analogous

#B1578B #B1575E #B17D57

triadic

#B1575E #5EB157 #575EB1

tetradic

#B1575E #8BB157 #57B1AA #7D57B1

square

#B1575E #8BB157 #57B1AA #7D57B1

split-complementary

#B1575E #57B17D #578BB1

monochromatic

#612D31 #8A4046 #B1575E #C48186 #D8ABAE

Accessibility & contrast

On white

4.78

#B1575E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#B1575E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1575E

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1575E	#FFFFFF	#000000	##FFFFFF
##B1575E	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A675E

Deuteranopia (green-blind)

#81795C

Tritanopia (blue-blind)

#C04B5A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b1575e;
/* rgb */ color: rgb(177, 87, 94);
/* oklch */ color: oklch(56.8% 0.117 16.7);

Tailwind

colors: {
  custom: {
    50: '#cc898b',
    500: '#b1575e',
    950: '#000000',
  },
}

SCSS

$custom: #b1575e;
$custom-light: #cc898b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1575e",
  "rgb": {
    "r": 177,
    "g": 87,
    "b": 94
  },
  "hsl": {
    "h": 355.333,
    "s": 36.585,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56804,
    "c": 0.11723,
    "h": 16.7
  },
  "luminance": 0.16972
}

Semantic roles & 50–950 ramp

primary

#B1575E

secondary

#9EC6C3

accent

#CDC45B

background

#FDF8F8

surface

#FAF0F0

border

#D3CBCB

text

#140C0C

muted

#837D7D

Preview Lab

Preview with #B1575E

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

Preview Lab → · Contrast checker → · Palette generator →