#B03328#B03328

#B03328 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.9% C 0.163 H 29.1°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B03328
RGB	rgb(176, 51, 40)
HSL	hsl(5, 63%, 42%)
HSV	hsv(5, 77%, 69%)
CMYK	cmyk(0%, 71%, 77.3%, 31%)
CIE-LAB	lab(40.82, 49.84, 35.93)
CIE-LCH	lch(40.82, 61.44, 35.79°)
OKLab	oklab(50.9% 0.1427 0.0794)
OKLCH	oklch(50.9% 0.163 29.1)
XYZ	xyz(19.4736, 11.7539, 3.2504)
Luminance	0.1175 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03328 #28A5B0

analogous

#B02861 #B03328 #B07728

triadic

#B03328 #28B033 #3328B0

tetradic

#B03328 #61B028 #28A5B0 #7728B0

square

#B03328 #61B028 #28A5B0 #7728B0

split-complementary

#B03328 #28B077 #2861B0

monochromatic

#4C1611 #7E251D #B03328 #D44D41 #DF7C73

Accessibility & contrast

On white

6.27

#B03328 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B03328 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03328

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03328	#FFFFFF	#000000	##FFFFFF
##B03328	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F26

Deuteranopia (green-blind)

#776A23

Tritanopia (blue-blind)

#C20032

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03328;
/* rgb */ color: rgb(176, 51, 40);
/* oklch */ color: oklch(50.9% 0.163 29.1);

Tailwind

colors: {
  custom: {
    50: '#d07363',
    500: '#b03328',
    950: '#000000',
  },
}

SCSS

$custom: #b03328;
$custom-light: #d07363;
$custom-dark: #000000;

JSON

{
  "hex": "#b03328",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 40
  },
  "hsl": {
    "h": 4.853,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50897,
    "c": 0.16331,
    "h": 29.1
  },
  "luminance": 0.11751
}

Semantic roles & 50–950 ramp

primary

#B03328

secondary

#6DBFC6

accent

#D9E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B03328

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

Preview Lab → · Contrast checker → · Palette generator →