#B3302F#B3302F

#B3302F is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.168 H 25.8°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B3302F
RGB	rgb(179, 48, 47)
HSL	hsl(0, 58%, 44%)
HSV	hsv(0, 74%, 70%)
CMYK	cmyk(0%, 73.2%, 73.7%, 29.8%)
CIE-LAB	lab(41.07, 52.22, 32.32)
CIE-LCH	lch(41.07, 61.42, 31.75°)
OKLab	oklab(51.21% 0.1514 0.0731)
OKLCH	oklch(51.21% 0.168 25.8)
XYZ	xyz(20.1627, 11.9059, 3.9252)
Luminance	0.1190 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3302F #2FB2B3

analogous

#B32F70 #B3302F #B3722F

triadic

#B3302F #2FB330 #302FB3

tetradic

#B3302F #70B32F #2FB2B3 #722FB3

square

#B3302F #70B32F #2FB2B3 #722FB3

split-complementary

#B3302F #2FB372 #2F70B3

monochromatic

#521616 #832322 #B3302F #D1504F #DD807F

Accessibility & contrast

On white

6.21

#B3302F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B3302F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3302F

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3302F	#FFFFFF	#000000	##FFFFFF
##B3302F	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F2D

Deuteranopia (green-blind)

#776B2A

Tritanopia (blue-blind)

#C50031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b3302f;
/* rgb */ color: rgb(179, 48, 47);
/* oklch */ color: oklch(51.2% 0.168 25.8);

Tailwind

colors: {
  custom: {
    50: '#d27268',
    500: '#b3302f',
    950: '#000000',
  },
}

SCSS

$custom: #b3302f;
$custom-light: #d27268;
$custom-dark: #000000;

JSON

{
  "hex": "#b3302f",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 47
  },
  "hsl": {
    "h": 0.455,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51209,
    "c": 0.16807,
    "h": 25.8
  },
  "luminance": 0.11903
}

Semantic roles & 50–950 ramp

primary

#B3302F

secondary

#78C6C6

accent

#E0E246

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B3302F

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

Preview Lab → · Contrast checker → · Palette generator →