#B0283F#B0283F

#B0283F is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.171 H 17.0°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#B0283F
RGB	rgb(176, 40, 63)
HSL	hsl(350, 63%, 42%)
HSV	hsv(350, 77%, 69%)
CMYK	cmyk(0%, 77.3%, 64.2%, 31%)
CIE-LAB	lab(39.76, 54.85, 20.82)
CIE-LCH	lch(39.76, 58.67, 20.79°)
OKLab	oklab(50.22% 0.1636 0.0501)
OKLCH	oklch(50.22% 0.171 17)
XYZ	xyz(19.5626, 11.1095, 5.8159)
Luminance	0.1111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0283F #28B099

analogous

#B02883 #B0283F #B05528

triadic

#B0283F #3FB028 #283FB0

tetradic

#B0283F #83B028 #28B099 #5528B0

square

#B0283F #83B028 #28B099 #5528B0

split-complementary

#B0283F #28B055 #2883B0

monochromatic

#4C111B #7E1D2D #B0283F #D4415A #DF7385

Accessibility & contrast

On white

6.52

#B0283F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B0283F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0283F

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0283F	#FFFFFF	#000000	##FFFFFF
##B0283F	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4C3F

Deuteranopia (green-blind)

#71683B

Tritanopia (blue-blind)

#C10032

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b0283f;
/* rgb */ color: rgb(176, 40, 63);
/* oklch */ color: oklch(50.2% 0.171 17.0);

Tailwind

colors: {
  custom: {
    50: '#cf6f73',
    500: '#b0283f',
    950: '#000000',
  },
}

SCSS

$custom: #b0283f;
$custom-light: #cf6f73;
$custom-dark: #000000;

JSON

{
  "hex": "#b0283f",
  "rgb": {
    "r": 176,
    "g": 40,
    "b": 63
  },
  "hsl": {
    "h": 349.853,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50218,
    "c": 0.17105,
    "h": 17
  },
  "luminance": 0.11107
}

Semantic roles & 50–950 ramp

primary

#B0283F

secondary

#6DC6B7

accent

#E6CA42

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B0283F

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

Preview Lab → · Contrast checker → · Palette generator →