#B4302F#B4302F

#B4302F is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.169 H 25.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B4302F
RGB	rgb(180, 48, 47)
HSL	hsl(0, 59%, 45%)
HSV	hsv(0, 74%, 71%)
CMYK	cmyk(0%, 73.3%, 73.9%, 29.4%)
CIE-LAB	lab(41.26, 52.54, 32.59)
CIE-LCH	lch(41.26, 61.83, 31.81°)
OKLab	oklab(51.39% 0.1523 0.0736)
OKLCH	oklch(51.39% 0.169 25.8)
XYZ	xyz(20.3948, 12.0256, 3.9361)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4302F #2FB3B4

analogous

#B42F71 #B4302F #B4732F

triadic

#B4302F #2FB430 #302FB4

tetradic

#B4302F #71B42F #2FB3B4 #732FB4

square

#B4302F #71B42F #2FB3B4 #732FB4

split-complementary

#B4302F #2FB473 #2F71B4

monochromatic

#531616 #832322 #B4302F #D1504F #DE8080

Accessibility & contrast

On white

6.17

#B4302F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B4302F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4302F

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4302F	#FFFFFF	#000000	##FFFFFF
##B4302F	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2D

Deuteranopia (green-blind)

#786C2A

Tritanopia (blue-blind)

#C60031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b4302f;
/* rgb */ color: rgb(180, 48, 47);
/* oklch */ color: oklch(51.4% 0.169 25.8);

Tailwind

colors: {
  custom: {
    50: '#d37268',
    500: '#b4302f',
    950: '#000000',
  },
}

SCSS

$custom: #b4302f;
$custom-light: #d37268;
$custom-dark: #000000;

JSON

{
  "hex": "#b4302f",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 47
  },
  "hsl": {
    "h": 0.451,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51386,
    "c": 0.16909,
    "h": 25.8
  },
  "luminance": 0.12022
}

Semantic roles & 50–950 ramp

primary

#B4302F

secondary

#78C6C7

accent

#E1E246

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B4302F

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

Preview Lab → · Contrast checker → · Palette generator →