#B7302F#B7302F

#B7302F is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.172 H 25.9°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B7302F
RGB	rgb(183, 48, 47)
HSL	hsl(0, 59%, 45%)
HSV	hsv(0, 74%, 72%)
CMYK	cmyk(0%, 73.8%, 74.3%, 28.2%)
CIE-LAB	lab(41.83, 53.49, 33.39)
CIE-LCH	lch(41.83, 63.06, 31.97°)
OKLab	oklab(51.92% 0.1549 0.0751)
OKLCH	oklch(51.92% 0.172 25.9)
XYZ	xyz(21.1009, 12.3897, 3.9692)
Luminance	0.1239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7302F #2FB6B7

analogous

#B72F72 #B7302F #B7742F

triadic

#B7302F #2FB730 #302FB7

tetradic

#B7302F #72B72F #2FB6B7 #742FB7

square

#B7302F #72B72F #2FB6B7 #742FB7

split-complementary

#B7302F #2FB774 #2F72B7

monochromatic

#561616 #862322 #B7302F #D25251 #DF8282

Accessibility & contrast

On white

6.04

#B7302F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B7302F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7302F

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7302F	#FFFFFF	#000000	##FFFFFF
##B7302F	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502D

Deuteranopia (green-blind)

#796D2A

Tritanopia (blue-blind)

#C90032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b7302f;
/* rgb */ color: rgb(183, 48, 47);
/* oklch */ color: oklch(51.9% 0.172 25.9);

Tailwind

colors: {
  custom: {
    50: '#d57368',
    500: '#b7302f',
    950: '#000000',
  },
}

SCSS

$custom: #b7302f;
$custom-light: #d57368;
$custom-dark: #000000;

JSON

{
  "hex": "#b7302f",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 47
  },
  "hsl": {
    "h": 0.441,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51916,
    "c": 0.17214,
    "h": 25.9
  },
  "luminance": 0.12386
}

Semantic roles & 50–950 ramp

primary

#B7302F

secondary

#7AC7C8

accent

#E1E245

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B7302F

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

Preview Lab → · Contrast checker → · Palette generator →