#B0645B#B0645B

#B0645B is a mid, moderate red. Relative luminance 0.191; OKLCH L 58.7% C 0.100 H 27.6°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#B0645B
RGB	rgb(176, 100, 91)
HSL	hsl(6, 35%, 52%)
HSV	hsv(6, 48%, 69%)
CMYK	cmyk(0%, 43.2%, 48.3%, 31%)
CIE-LAB	lab(50.81, 29.61, 18.50)
CIE-LCH	lch(50.81, 34.91, 32.00°)
OKLab	oklab(58.72% 0.0885 0.0463)
OKLCH	oklch(58.72% 0.1 27.6)
XYZ	xyz(24.3515, 19.1021, 12.3001)
Luminance	0.1910 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0645B #5BA7B0

analogous

#B05B7D #B0645B #B08F5B

triadic

#B0645B #5BB064 #645BB0

tetradic

#B0645B #7DB05B #5BA7B0 #8F5BB0

square

#B0645B #7DB05B #5BA7B0 #8F5BB0

split-complementary

#B0645B #5BB08F #5B7DB0

monochromatic

#62342F #8B4B43 #B0645B #C48B84 #D8B2AE

Accessibility & contrast

On white

4.36

#B0645B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#B0645B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B0645B

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0645B	#FFFFFF	#000000	##000000
##B0645B	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#756F5A

Deuteranopia (green-blind)

#887F5A

Tritanopia (blue-blind)

#BE5962

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #b0645b;
/* rgb */ color: rgb(176, 100, 91);
/* oklch */ color: oklch(58.7% 0.100 27.6);

Tailwind

colors: {
  custom: {
    50: '#cb9189',
    500: '#b0645b',
    950: '#000000',
  },
}

SCSS

$custom: #b0645b;
$custom-light: #cb9189;
$custom-dark: #000000;

JSON

{
  "hex": "#b0645b",
  "rgb": {
    "r": 176,
    "g": 100,
    "b": 91
  },
  "hsl": {
    "h": 6.353,
    "s": 34.979,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58717,
    "c": 0.09984,
    "h": 27.6
  },
  "luminance": 0.191
}

Semantic roles & 50–950 ramp

primary

#B0645B

secondary

#A1C2C6

accent

#BFCB5D

background

#FCF9F8

surface

#F9F1F0

border

#D2CBCB

text

#140D0B

muted

#827E7C

Preview Lab

Preview with #B0645B

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

Preview Lab → · Contrast checker → · Palette generator →