#B1374B#B1374B

#B1374B is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.157 H 15.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B1374B
RGB	rgb(177, 55, 75)
HSL	hsl(350, 53%, 45%)
HSV	hsv(350, 69%, 69%)
CMYK	cmyk(0%, 68.9%, 57.6%, 30.6%)
CIE-LAB	lab(42.14, 50.56, 16.50)
CIE-LCH	lch(42.14, 53.19, 18.08°)
OKLab	oklab(52.09% 0.1519 0.0409)
OKLCH	oklch(52.09% 0.157 15.1)
XYZ	xyz(20.7696, 12.5903, 7.9917)
Luminance	0.1259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1374B #37B19D

analogous

#B13788 #B1374B #B16037

triadic

#B1374B #4BB137 #374BB1

tetradic

#B1374B #88B137 #37B19D #6037B1

square

#B1374B #88B137 #37B19D #6037B1

split-complementary

#B1374B #37B160 #3788B1

monochromatic

#541A23 #822837 #B1374B #CC5A6C #DA8896

Accessibility & contrast

On white

5.97

#B1374B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B1374B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1374B

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1374B	#FFFFFF	#000000	##FFFFFF
##B1374B	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56534B

Deuteranopia (green-blind)

#756D48

Tritanopia (blue-blind)

#C21C3F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b1374b;
/* rgb */ color: rgb(177, 55, 75);
/* oklch */ color: oklch(52.1% 0.157 15.1);

Tailwind

colors: {
  custom: {
    50: '#ce767d',
    500: '#b1374b',
    950: '#000000',
  },
}

SCSS

$custom: #b1374b;
$custom-light: #ce767d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1374b",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 75
  },
  "hsl": {
    "h": 350.164,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52094,
    "c": 0.15732,
    "h": 15.1
  },
  "luminance": 0.12587
}

Semantic roles & 50–950 ramp

primary

#B1374B

secondary

#80C4B9

accent

#DCC44C

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B1374B

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

Preview Lab → · Contrast checker → · Palette generator →