#B53829#B53829

#B53829 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.164 H 30.2°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B53829
RGB	rgb(181, 56, 41)
HSL	hsl(6, 63%, 44%)
HSV	hsv(6, 77%, 71%)
CMYK	cmyk(0%, 69.1%, 77.3%, 29%)
CIE-LAB	lab(42.48, 49.58, 37.41)
CIE-LCH	lch(42.48, 62.11, 37.04°)
OKLab	oklab(52.32% 0.1416 0.0825)
OKLCH	oklch(52.32% 0.164 30.2)
XYZ	xyz(20.8728, 12.8153, 3.4719)
Luminance	0.1281 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53829 #29A6B5

analogous

#B52960 #B53829 #B57E29

triadic

#B53829 #29B538 #3829B5

tetradic

#B53829 #60B529 #29A6B5 #7E29B5

square

#B53829 #60B529 #29A6B5 #7E29B5

split-complementary

#B53829 #29B57E #2960B5

monochromatic

#511912 #83291E #B53829 #D55546 #E08378

Accessibility & contrast

On white

5.89

#B53829 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B53829 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53829

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53829	#FFFFFF	#000000	##FFFFFF
##B53829	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5326

Deuteranopia (green-blind)

#7B6E24

Tritanopia (blue-blind)

#C70D36

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53829;
/* rgb */ color: rgb(181, 56, 41);
/* oklch */ color: oklch(52.3% 0.164 30.2);

Tailwind

colors: {
  custom: {
    50: '#d47664',
    500: '#b53829',
    950: '#000000',
  },
}

SCSS

$custom: #b53829;
$custom-light: #d47664;
$custom-dark: #000000;

JSON

{
  "hex": "#b53829",
  "rgb": {
    "r": 181,
    "g": 56,
    "b": 41
  },
  "hsl": {
    "h": 6.429,
    "s": 63.063,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52315,
    "c": 0.16383,
    "h": 30.2
  },
  "luminance": 0.12812
}

Semantic roles & 50–950 ramp

primary

#B53829

secondary

#72BFC8

accent

#D4E642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B53829

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

Preview Lab → · Contrast checker → · Palette generator →