#B3302D#B3302D

#B3302D is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.168 H 26.5°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B3302D
RGB	rgb(179, 48, 45)
HSL	hsl(1, 60%, 44%)
HSV	hsv(1, 75%, 70%)
CMYK	cmyk(0%, 73.2%, 74.9%, 29.8%)
CIE-LAB	lab(41.04, 52.14, 33.46)
CIE-LCH	lch(41.04, 61.95, 32.69°)
OKLab	oklab(51.18% 0.1507 0.0751)
OKLCH	oklch(51.18% 0.168 26.5)
XYZ	xyz(20.1233, 11.8902, 3.7176)
Luminance	0.1189 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3302D #2DB0B3

analogous

#B32D6D #B3302D #B3732D

triadic

#B3302D #2DB330 #302DB3

tetradic

#B3302D #6DB32D #2DB0B3 #732DB3

square

#B3302D #6DB32D #2DB0B3 #732DB3

split-complementary

#B3302D #2DB373 #2D6DB3

monochromatic

#511614 #822321 #B3302D #D24E4B #DE7E7C

Accessibility & contrast

On white

6.22

#B3302D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B3302D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3302D

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3302D	#FFFFFF	#000000	##FFFFFF
##B3302D	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2B

Deuteranopia (green-blind)

#776B28

Tritanopia (blue-blind)

#C50031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b3302d;
/* rgb */ color: rgb(179, 48, 45);
/* oklch */ color: oklch(51.2% 0.168 26.5);

Tailwind

colors: {
  custom: {
    50: '#d27266',
    500: '#b3302d',
    950: '#000000',
  },
}

SCSS

$custom: #b3302d;
$custom-light: #d27266;
$custom-dark: #000000;

JSON

{
  "hex": "#b3302d",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 45
  },
  "hsl": {
    "h": 1.343,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51182,
    "c": 0.16833,
    "h": 26.5
  },
  "luminance": 0.11887
}

Semantic roles & 50–950 ramp

primary

#B3302D

secondary

#75C5C7

accent

#DFE345

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B3302D

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

Preview Lab → · Contrast checker → · Palette generator →