#B53029#B53029

#B53029 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.171 H 27.9°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B53029
RGB	rgb(181, 48, 41)
HSL	hsl(3, 63%, 44%)
HSV	hsv(3, 77%, 71%)
CMYK	cmyk(0%, 73.5%, 77.3%, 29%)
CIE-LAB	lab(41.38, 52.62, 36.24)
CIE-LCH	lch(41.38, 63.89, 34.55°)
OKLab	oklab(51.49% 0.1511 0.0799)
OKLCH	oklch(51.49% 0.171 27.9)
XYZ	xyz(20.5156, 12.1009, 3.3529)
Luminance	0.1210 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53029 #29AEB5

analogous

#B52968 #B53029 #B57629

triadic

#B53029 #29B530 #3029B5

tetradic

#B53029 #68B529 #29AEB5 #7629B5

square

#B53029 #68B529 #29AEB5 #7629B5

split-complementary

#B53029 #29B576 #2968B5

monochromatic

#511612 #83231E #B53029 #D54D46 #E07D78

Accessibility & contrast

On white

6.14

#B53029 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B53029 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53029

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53029	#FFFFFF	#000000	##FFFFFF
##B53029	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)

#584F27

Deuteranopia (green-blind)

#796C24

Tritanopia (blue-blind)

#C70030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b53029;
/* rgb */ color: rgb(181, 48, 41);
/* oklch */ color: oklch(51.5% 0.171 27.9);

Tailwind

colors: {
  custom: {
    50: '#d47263',
    500: '#b53029',
    950: '#000000',
  },
}

SCSS

$custom: #b53029;
$custom-light: #d47263;
$custom-dark: #000000;

JSON

{
  "hex": "#b53029",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 41
  },
  "hsl": {
    "h": 3,
    "s": 63.063,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51487,
    "c": 0.17093,
    "h": 27.9
  },
  "luminance": 0.12098
}

Semantic roles & 50–950 ramp

primary

#B53029

secondary

#72C4C8

accent

#DEE642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B53029

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

Preview Lab → · Contrast checker → · Palette generator →