#B53E2E#B53E2E

#B53E2E is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.157 H 30.6°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B53E2E
RGB	rgb(181, 62, 46)
HSL	hsl(7, 59%, 45%)
HSV	hsv(7, 75%, 71%)
CMYK	cmyk(0%, 65.7%, 74.6%, 29%)
CIE-LAB	lab(43.46, 47.28, 35.68)
CIE-LCH	lch(43.46, 59.23, 37.04°)
OKLab	oklab(53.07% 0.1354 0.08)
OKLCH	oklch(53.07% 0.157 30.6)
XYZ	xyz(21.2741, 13.4693, 4.0639)
Luminance	0.1347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E2E #2EA5B5

analogous

#B52E62 #B53E2E #B5822E

triadic

#B53E2E #2EB53E #3E2EB5

tetradic

#B53E2E #62B52E #2EA5B5 #822EB5

square

#B53E2E #62B52E #2EA5B5 #822EB5

split-complementary

#B53E2E #2EB582 #2E62B5

monochromatic

#531D15 #842D22 #B53E2E #D25E4E #DE8A7F

Accessibility & contrast

On white

5.69

#B53E2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B53E2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E2E

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E2E	#FFFFFF	#000000	##FFFFFF
##B53E2E	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562B

Deuteranopia (green-blind)

#7D702A

Tritanopia (blue-blind)

#C71E3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53e2e;
/* rgb */ color: rgb(181, 62, 46);
/* oklch */ color: oklch(53.1% 0.157 30.6);

Tailwind

colors: {
  custom: {
    50: '#d37968',
    500: '#b53e2e',
    950: '#000000',
  },
}

SCSS

$custom: #b53e2e;
$custom-light: #d37968;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e2e",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 46
  },
  "hsl": {
    "h": 7.111,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53066,
    "c": 0.15726,
    "h": 30.6
  },
  "luminance": 0.13466
}

Semantic roles & 50–950 ramp

primary

#B53E2E

secondary

#78BEC7

accent

#D0E345

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53E2E

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

Preview Lab → · Contrast checker → · Palette generator →