#B53643#B53643

#B53643 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.163 H 19.1°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B53643
RGB	rgb(181, 54, 67)
HSL	hsl(354, 54%, 46%)
HSV	hsv(354, 70%, 71%)
CMYK	cmyk(0%, 70.2%, 63%, 29%)
CIE-LAB	lab(42.57, 51.69, 22.15)
CIE-LCH	lch(42.57, 56.23, 23.20°)
OKLab	oklab(52.5% 0.1536 0.0533)
OKLCH	oklch(52.5% 0.163 19.1)
XYZ	xyz(21.3905, 12.8704, 6.6670)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53643 #36B5A8

analogous

#B53682 #B53643 #B56836

triadic

#B53643 #43B536 #3643B5

tetradic

#B53643 #82B536 #36B5A8 #6836B5

square

#B53643 #82B536 #36B5A8 #6836B5

split-complementary

#B53643 #36B568 #3682B5

monochromatic

#571A20 #862832 #B53643 #CE5A66 #DC8992

Accessibility & contrast

On white

5.88

#B53643 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B53643 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53643

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53643	#FFFFFF	#000000	##FFFFFF
##B53643	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585343

Deuteranopia (green-blind)

#786E40

Tritanopia (blue-blind)

#C6133C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53643;
/* rgb */ color: rgb(181, 54, 67);
/* oklch */ color: oklch(52.5% 0.163 19.1);

Tailwind

colors: {
  custom: {
    50: '#d27677',
    500: '#b53643',
    950: '#000000',
  },
}

SCSS

$custom: #b53643;
$custom-light: #d27677;
$custom-dark: #000000;

JSON

{
  "hex": "#b53643",
  "rgb": {
    "r": 181,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 353.858,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52497,
    "c": 0.16259,
    "h": 19.1
  },
  "luminance": 0.12867
}

Semantic roles & 50–950 ramp

primary

#B53643

secondary

#81C6BF

accent

#DDCE4A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53643

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

Preview Lab → · Contrast checker → · Palette generator →