#B0283D#B0283D

#B0283D is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.171 H 17.9°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#B0283D
RGB	rgb(176, 40, 61)
HSL	hsl(351, 63%, 42%)
HSV	hsv(351, 77%, 69%)
CMYK	cmyk(0%, 77.3%, 65.3%, 31%)
CIE-LAB	lab(39.73, 54.73, 22.03)
CIE-LCH	lch(39.73, 59.00, 21.93°)
OKLab	oklab(50.18% 0.1628 0.0526)
OKLCH	oklch(50.18% 0.171 17.9)
XYZ	xyz(19.5077, 11.0876, 5.5269)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0283D #28B09B

analogous

#B02881 #B0283D #B05728

triadic

#B0283D #3DB028 #283DB0

tetradic

#B0283D #81B028 #28B09B #5728B0

square

#B0283D #81B028 #28B09B #5728B0

split-complementary

#B0283D #28B057 #2881B0

monochromatic

#4C111A #7E1D2C #B0283D #D44158 #DF7384

Accessibility & contrast

On white

6.53

#B0283D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B0283D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0283D

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0283D	#FFFFFF	#000000	##FFFFFF
##B0283D	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3D

Deuteranopia (green-blind)

#726839

Tritanopia (blue-blind)

#C10031

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b0283d;
/* rgb */ color: rgb(176, 40, 61);
/* oklch */ color: oklch(50.2% 0.171 17.9);

Tailwind

colors: {
  custom: {
    50: '#cf6e72',
    500: '#b0283d',
    950: '#000000',
  },
}

SCSS

$custom: #b0283d;
$custom-light: #cf6e72;
$custom-dark: #000000;

JSON

{
  "hex": "#b0283d",
  "rgb": {
    "r": 176,
    "g": 40,
    "b": 61
  },
  "hsl": {
    "h": 350.735,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50179,
    "c": 0.17106,
    "h": 17.9
  },
  "luminance": 0.11085
}

Semantic roles & 50–950 ramp

primary

#B0283D

secondary

#6DC6B9

accent

#E6CD42

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B0283D

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

Preview Lab → · Contrast checker → · Palette generator →