#B53043#B53043

#B53043 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.9% C 0.169 H 17.6°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B53043
RGB	rgb(181, 48, 67)
HSL	hsl(351, 58%, 45%)
HSV	hsv(351, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 63%, 29%)
CIE-LAB	lab(41.76, 53.92, 21.10)
CIE-LCH	lch(41.76, 57.90, 21.38°)
OKLab	oklab(51.9% 0.1607 0.0509)
OKLCH	oklch(51.9% 0.169 17.6)
XYZ	xyz(21.1283, 12.3460, 6.5796)
Luminance	0.1234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53043 #30B5A2

analogous

#B53085 #B53043 #B56030

triadic

#B53043 #43B530 #3043B5

tetradic

#B53043 #85B530 #30B5A2 #6030B5

square

#B53043 #85B530 #30B5A2 #6030B5

split-complementary

#B53043 #30B560 #3085B5

monochromatic

#54161F #852331 #B53043 #D15164 #DE828F

Accessibility & contrast

On white

6.05

#B53043 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B53043 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53043

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53043	#FFFFFF	#000000	##FFFFFF
##B53043	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555143

Deuteranopia (green-blind)

#766D3F

Tritanopia (blue-blind)

#C60038

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b53043;
/* rgb */ color: rgb(181, 48, 67);
/* oklch */ color: oklch(51.9% 0.169 17.6);

Tailwind

colors: {
  custom: {
    50: '#d27377',
    500: '#b53043',
    950: '#000000',
  },
}

SCSS

$custom: #b53043;
$custom-light: #d27377;
$custom-dark: #000000;

JSON

{
  "hex": "#b53043",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 67
  },
  "hsl": {
    "h": 351.429,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51897,
    "c": 0.16859,
    "h": 17.6
  },
  "luminance": 0.12343
}

Semantic roles & 50–950 ramp

primary

#B53043

secondary

#7AC7BC

accent

#E1CB46

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53043

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

Preview Lab → · Contrast checker → · Palette generator →