#B53C40#B53C40

#B53C40 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.157 H 22.4°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B53C40
RGB	rgb(181, 60, 64)
HSL	hsl(358, 50%, 47%)
HSV	hsv(358, 67%, 71%)
CMYK	cmyk(0%, 66.9%, 64.6%, 29%)
CIE-LAB	lab(43.40, 49.08, 25.05)
CIE-LCH	lch(43.40, 55.10, 27.04°)
OKLab	oklab(53.1% 0.1447 0.0596)
OKLCH	oklch(53.1% 0.157 22.4)
XYZ	xyz(21.5995, 13.4287, 6.3041)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53C40 #3CB5B1

analogous

#B53C7C #B53C40 #B5753C

triadic

#B53C40 #40B53C #3C40B5

tetradic

#B53C40 #7CB53C #3CB5B1 #753CB5

square

#B53C40 #7CB53C #3CB5B1 #753CB5

split-complementary

#B53C40 #3CB575 #3C7CB5

monochromatic

#591E1F #872D30 #B53C40 #CB6366 #DB9193

Accessibility & contrast

On white

5.70

#B53C40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B53C40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53C40

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53C40	#FFFFFF	#000000	##FFFFFF
##B53C40	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563F

Deuteranopia (green-blind)

#7B703D

Tritanopia (blue-blind)

#C61F3F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53c40;
/* rgb */ color: rgb(181, 60, 64);
/* oklch */ color: oklch(53.1% 0.157 22.4);

Tailwind

colors: {
  custom: {
    50: '#d27974',
    500: '#b53c40',
    950: '#000000',
  },
}

SCSS

$custom: #b53c40;
$custom-light: #d27974;
$custom-dark: #000000;

JSON

{
  "hex": "#b53c40",
  "rgb": {
    "r": 181,
    "g": 60,
    "b": 64
  },
  "hsl": {
    "h": 358.017,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53103,
    "c": 0.1565,
    "h": 22.4
  },
  "luminance": 0.13426
}

Semantic roles & 50–950 ramp

primary

#B53C40

secondary

#87C6C3

accent

#DAD54E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53C40

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

Preview Lab → · Contrast checker → · Palette generator →