#B03320#B03320

#B03320 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.8% C 0.165 H 31.6°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#B03320
RGB	rgb(176, 51, 32)
HSL	hsl(8, 69%, 41%)
HSV	hsv(8, 82%, 69%)
CMYK	cmyk(0%, 71%, 81.8%, 31%)
CIE-LAB	lab(40.74, 49.56, 40.19)
CIE-LCH	lch(40.74, 63.81, 39.04°)
OKLab	oklab(50.81% 0.1403 0.0862)
OKLCH	oklch(50.81% 0.165 31.6)
XYZ	xyz(19.3513, 11.7050, 2.6066)
Luminance	0.1170 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03320 #209DB0

analogous

#B02055 #B03320 #B07B20

triadic

#B03320 #20B033 #3320B0

tetradic

#B03320 #55B020 #209DB0 #7B20B0

square

#B03320 #55B020 #209DB0 #7B20B0

split-complementary

#B03320 #20B07B #2055B0

monochromatic

#48150D #7C2417 #B03320 #DA4933 #E37767

Accessibility & contrast

On white

6.29

#B03320 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B03320 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03320

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03320	#FFFFFF	#000000	##FFFFFF
##B03320	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1C

Deuteranopia (green-blind)

#776A1A

Tritanopia (blue-blind)

#C20030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03320;
/* rgb */ color: rgb(176, 51, 32);
/* oklch */ color: oklch(50.8% 0.165 31.6);

Tailwind

colors: {
  custom: {
    50: '#d1735d',
    500: '#b03320',
    950: '#000000',
  },
}

SCSS

$custom: #b03320;
$custom-light: #d1735d;
$custom-dark: #000000;

JSON

{
  "hex": "#b03320",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 32
  },
  "hsl": {
    "h": 7.917,
    "s": 69.231,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50813,
    "c": 0.16463,
    "h": 31.6
  },
  "luminance": 0.11702
}

Semantic roles & 50–950 ramp

primary

#B03320

secondary

#63BBC9

accent

#D5EC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B03320

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

Preview Lab → · Contrast checker → · Palette generator →