#B43B30#B43B30

#B43B30 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.159 H 28.8°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B43B30
RGB	rgb(180, 59, 48)
HSL	hsl(5, 58%, 45%)
HSV	hsv(5, 73%, 71%)
CMYK	cmyk(0%, 67.2%, 73.3%, 29.4%)
CIE-LAB	lab(42.84, 48.30, 33.80)
CIE-LCH	lch(42.84, 58.95, 34.98°)
OKLab	oklab(52.57% 0.1391 0.0764)
OKLCH	oklch(52.57% 0.159 28.8)
XYZ	xyz(20.9221, 13.0477, 4.2125)
Luminance	0.1305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B30 #30A9B4

analogous

#B43067 #B43B30 #B47D30

triadic

#B43B30 #30B43B #3B30B4

tetradic

#B43B30 #67B430 #30A9B4 #7D30B4

square

#B43B30 #67B430 #30A9B4 #7D30B4

split-complementary

#B43B30 #30B47D #3067B4

monochromatic

#531B16 #842B23 #B43B30 #D15B51 #DD8981

Accessibility & contrast

On white

5.82

#B43B30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B43B30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B30

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B30	#FFFFFF	#000000	##FFFFFF
##B43B30	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542E

Deuteranopia (green-blind)

#7B6F2C

Tritanopia (blue-blind)

#C61839

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43b30;
/* rgb */ color: rgb(180, 59, 48);
/* oklch */ color: oklch(52.6% 0.159 28.8);

Tailwind

colors: {
  custom: {
    50: '#d27869',
    500: '#b43b30',
    950: '#000000',
  },
}

SCSS

$custom: #b43b30;
$custom-light: #d27869;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b30",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 48
  },
  "hsl": {
    "h": 5,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5257,
    "c": 0.1587,
    "h": 28.8
  },
  "luminance": 0.13045
}

Semantic roles & 50–950 ramp

primary

#B43B30

secondary

#79C0C6

accent

#D4E147

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43B30

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

Preview Lab → · Contrast checker → · Palette generator →