#B0283A#B0283A

#B0283A is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.1% C 0.171 H 19.2°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#B0283A
RGB	rgb(176, 40, 58)
HSL	hsl(352, 63%, 42%)
HSV	hsv(352, 77%, 69%)
CMYK	cmyk(0%, 77.3%, 67%, 31%)
CIE-LAB	lab(39.67, 54.56, 23.83)
CIE-LCH	lch(39.67, 59.54, 23.60°)
OKLab	oklab(50.12% 0.1616 0.0563)
OKLCH	oklch(50.12% 0.171 19.2)
XYZ	xyz(19.4291, 11.0561, 5.1132)
Luminance	0.1105 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0283A #28B09E

analogous

#B0287E #B0283A #B05A28

triadic

#B0283A #3AB028 #283AB0

tetradic

#B0283A #7EB028 #28B09E #5A28B0

square

#B0283A #7EB028 #28B09E #5A28B0

split-complementary

#B0283A #28B05A #287EB0

monochromatic

#4C1119 #7E1D2A #B0283A #D44155 #DF7381

Accessibility & contrast

On white

6.54

#B0283A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B0283A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0283A

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0283A	#FFFFFF	#000000	##FFFFFF
##B0283A	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B3A

Deuteranopia (green-blind)

#726836

Tritanopia (blue-blind)

#C10030

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b0283a;
/* rgb */ color: rgb(176, 40, 58);
/* oklch */ color: oklch(50.1% 0.171 19.2);

Tailwind

colors: {
  custom: {
    50: '#cf6e70',
    500: '#b0283a',
    950: '#000000',
  },
}

SCSS

$custom: #b0283a;
$custom-light: #cf6e70;
$custom-dark: #000000;

JSON

{
  "hex": "#b0283a",
  "rgb": {
    "r": 176,
    "g": 40,
    "b": 58
  },
  "hsl": {
    "h": 352.059,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50122,
    "c": 0.17112,
    "h": 19.2
  },
  "luminance": 0.11053
}

Semantic roles & 50–950 ramp

primary

#B0283A

secondary

#6DC6BB

accent

#E6D042

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B0283A

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

Preview Lab → · Contrast checker → · Palette generator →