#B13528#B13528

#B13528 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.163 H 29.7°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B13528
RGB	rgb(177, 53, 40)
HSL	hsl(6, 63%, 43%)
HSV	hsv(6, 77%, 69%)
CMYK	cmyk(0%, 70.1%, 77.4%, 30.6%)
CIE-LAB	lab(41.29, 49.39, 36.49)
CIE-LCH	lch(41.29, 61.40, 36.45°)
OKLab	oklab(51.29% 0.1412 0.0805)
OKLCH	oklch(51.29% 0.163 29.7)
XYZ	xyz(19.7898, 12.0495, 3.2908)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13528 #28A4B1

analogous

#B12860 #B13528 #B17928

triadic

#B13528 #28B135 #3528B1

tetradic

#B13528 #60B128 #28A4B1 #7928B1

square

#B13528 #60B128 #28A4B1 #7928B1

split-complementary

#B13528 #28B179 #2860B1

monochromatic

#4D1711 #7F261D #B13528 #D45042 #E07E74

Accessibility & contrast

On white

6.16

#B13528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B13528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13528

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13528	#FFFFFF	#000000	##FFFFFF
##B13528	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595025

Deuteranopia (green-blind)

#786B23

Tritanopia (blue-blind)

#C30633

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b13528;
/* rgb */ color: rgb(177, 53, 40);
/* oklch */ color: oklch(51.3% 0.163 29.7);

Tailwind

colors: {
  custom: {
    50: '#d17463',
    500: '#b13528',
    950: '#000000',
  },
}

SCSS

$custom: #b13528;
$custom-light: #d17463;
$custom-dark: #000000;

JSON

{
  "hex": "#b13528",
  "rgb": {
    "r": 177,
    "g": 53,
    "b": 40
  },
  "hsl": {
    "h": 5.693,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51285,
    "c": 0.16255,
    "h": 29.7
  },
  "luminance": 0.12047
}

Semantic roles & 50–950 ramp

primary

#B13528

secondary

#6EBEC7

accent

#D7E642

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B13528

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

Preview Lab → · Contrast checker → · Palette generator →