#B43130#B43130

#B43130 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.168 H 25.7°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B43130
RGB	rgb(180, 49, 48)
HSL	hsl(0, 58%, 45%)
HSV	hsv(0, 73%, 71%)
CMYK	cmyk(0%, 72.8%, 73.3%, 29.4%)
CIE-LAB	lab(41.40, 52.22, 32.16)
CIE-LCH	lch(41.40, 61.34, 31.63°)
OKLab	oklab(51.5% 0.1515 0.0729)
OKLCH	oklch(51.5% 0.168 25.7)
XYZ	xyz(20.4565, 12.1164, 4.0573)
Luminance	0.1211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43130 #30B3B4

analogous

#B43071 #B43130 #B47330

triadic

#B43130 #30B431 #3130B4

tetradic

#B43130 #71B430 #30B3B4 #7330B4

square

#B43130 #71B430 #30B3B4 #7330B4

split-complementary

#B43130 #30B473 #3071B4

monochromatic

#531716 #842423 #B43130 #D15251 #DD8281

Accessibility & contrast

On white

6.14

#B43130 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B43130 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43130

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43130	#FFFFFF	#000000	##FFFFFF
##B43130	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57502E

Deuteranopia (green-blind)

#786C2B

Tritanopia (blue-blind)

#C60032

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43130;
/* rgb */ color: rgb(180, 49, 48);
/* oklch */ color: oklch(51.5% 0.168 25.7);

Tailwind

colors: {
  custom: {
    50: '#d37368',
    500: '#b43130',
    950: '#000000',
  },
}

SCSS

$custom: #b43130;
$custom-light: #d37368;
$custom-dark: #000000;

JSON

{
  "hex": "#b43130",
  "rgb": {
    "r": 180,
    "g": 49,
    "b": 48
  },
  "hsl": {
    "h": 0.455,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51497,
    "c": 0.16808,
    "h": 25.7
  },
  "luminance": 0.12113
}

Semantic roles & 50–950 ramp

primary

#B43130

secondary

#79C6C6

accent

#E0E147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43130

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

Preview Lab → · Contrast checker → · Palette generator →