#B0283C#B0283C

#B0283C is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.171 H 18.3°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#B0283C
RGB	rgb(176, 40, 60)
HSL	hsl(351, 63%, 42%)
HSV	hsv(351, 77%, 69%)
CMYK	cmyk(0%, 77.3%, 65.9%, 31%)
CIE-LAB	lab(39.71, 54.67, 22.63)
CIE-LCH	lch(39.71, 59.17, 22.49°)
OKLab	oklab(50.16% 0.1624 0.0539)
OKLCH	oklch(50.16% 0.171 18.3)
XYZ	xyz(19.4810, 11.0769, 5.3864)
Luminance	0.1107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0283C #28B09C

analogous

#B02880 #B0283C #B05828

triadic

#B0283C #3CB028 #283CB0

tetradic

#B0283C #80B028 #28B09C #5828B0

square

#B0283C #80B028 #28B09C #5828B0

split-complementary

#B0283C #28B058 #2880B0

monochromatic

#4C111A #7E1D2B #B0283C #D44157 #DF7383

Accessibility & contrast

On white

6.53

#B0283C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B0283C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0283C

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0283C	#FFFFFF	#000000	##FFFFFF
##B0283C	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3C

Deuteranopia (green-blind)

#726838

Tritanopia (blue-blind)

#C10031

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b0283c;
/* rgb */ color: rgb(176, 40, 60);
/* oklch */ color: oklch(50.2% 0.171 18.3);

Tailwind

colors: {
  custom: {
    50: '#cf6e71',
    500: '#b0283c',
    950: '#000000',
  },
}

SCSS

$custom: #b0283c;
$custom-light: #cf6e71;
$custom-dark: #000000;

JSON

{
  "hex": "#b0283c",
  "rgb": {
    "r": 176,
    "g": 40,
    "b": 60
  },
  "hsl": {
    "h": 351.176,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50159,
    "c": 0.17108,
    "h": 18.3
  },
  "luminance": 0.11074
}

Semantic roles & 50–950 ramp

primary

#B0283C

secondary

#6DC6B9

accent

#E6CE42

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B0283C

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

Preview Lab → · Contrast checker → · Palette generator →