#B53028#B53028

#B53028 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.171 H 28.2°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B53028
RGB	rgb(181, 48, 40)
HSL	hsl(3, 64%, 43%)
HSV	hsv(3, 78%, 71%)
CMYK	cmyk(0%, 73.5%, 77.9%, 29%)
CIE-LAB	lab(41.37, 52.58, 36.79)
CIE-LCH	lch(41.37, 64.17, 34.98°)
OKLab	oklab(51.48% 0.1508 0.0809)
OKLCH	oklch(51.48% 0.171 28.2)
XYZ	xyz(20.4984, 12.0940, 3.2621)
Luminance	0.1209 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53028 #28ADB5

analogous

#B52866 #B53028 #B57628

triadic

#B53028 #28B530 #3028B5

tetradic

#B53028 #66B528 #28ADB5 #7628B5

square

#B53028 #66B528 #28ADB5 #7628B5

split-complementary

#B53028 #28B576 #2866B5

monochromatic

#511512 #83231D #B53028 #D64D44 #E17D77

Accessibility & contrast

On white

6.14

#B53028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B53028 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53028

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53028	#FFFFFF	#000000	##FFFFFF
##B53028	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)

#584F26

Deuteranopia (green-blind)

#796C22

Tritanopia (blue-blind)

#C70030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b53028;
/* rgb */ color: rgb(181, 48, 40);
/* oklch */ color: oklch(51.5% 0.171 28.2);

Tailwind

colors: {
  custom: {
    50: '#d47263',
    500: '#b53028',
    950: '#000000',
  },
}

SCSS

$custom: #b53028;
$custom-light: #d47263;
$custom-dark: #000000;

JSON

{
  "hex": "#b53028",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 40
  },
  "hsl": {
    "h": 3.404,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51475,
    "c": 0.17107,
    "h": 28.2
  },
  "luminance": 0.12091
}

Semantic roles & 50–950 ramp

primary

#B53028

secondary

#70C3C8

accent

#DDE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B53028

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

Preview Lab → · Contrast checker → · Palette generator →