#B53129#B53129

#B53129 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.170 H 28.2°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B53129
RGB	rgb(181, 49, 41)
HSL	hsl(3, 63%, 44%)
HSV	hsv(3, 77%, 71%)
CMYK	cmyk(0%, 72.9%, 77.3%, 29%)
CIE-LAB	lab(41.51, 52.26, 36.38)
CIE-LCH	lch(41.51, 63.67, 34.84°)
OKLab	oklab(51.58% 0.15 0.0802)
OKLCH	oklch(51.58% 0.17 28.2)
XYZ	xyz(20.5570, 12.1836, 3.3666)
Luminance	0.1218 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53129 #29ADB5

analogous

#B52967 #B53129 #B57729

triadic

#B53129 #29B531 #3129B5

tetradic

#B53129 #67B529 #29ADB5 #7729B5

square

#B53129 #67B529 #29ADB5 #7729B5

split-complementary

#B53129 #29B577 #2967B5

monochromatic

#511612 #83231E #B53129 #D54E46 #E07E78

Accessibility & contrast

On white

6.11

#B53129 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B53129 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53129

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53129	#FFFFFF	#000000	##FFFFFF
##B53129	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585027

Deuteranopia (green-blind)

#796C24

Tritanopia (blue-blind)

#C70031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b53129;
/* rgb */ color: rgb(181, 49, 41);
/* oklch */ color: oklch(51.6% 0.170 28.2);

Tailwind

colors: {
  custom: {
    50: '#d47363',
    500: '#b53129',
    950: '#000000',
  },
}

SCSS

$custom: #b53129;
$custom-light: #d47363;
$custom-dark: #000000;

JSON

{
  "hex": "#b53129",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 41
  },
  "hsl": {
    "h": 3.429,
    "s": 63.063,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51584,
    "c": 0.17007,
    "h": 28.2
  },
  "luminance": 0.1218
}

Semantic roles & 50–950 ramp

primary

#B53129

secondary

#72C3C8

accent

#DDE642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B53129

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

Preview Lab → · Contrast checker → · Palette generator →