#B13428#B13428

#B13428 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.163 H 29.4°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B13428
RGB	rgb(177, 52, 40)
HSL	hsl(5, 63%, 43%)
HSV	hsv(5, 77%, 69%)
CMYK	cmyk(0%, 70.6%, 77.4%, 30.6%)
CIE-LAB	lab(41.15, 49.78, 36.33)
CIE-LCH	lch(41.15, 61.63, 36.12°)
OKLab	oklab(51.18% 0.1424 0.0802)
OKLCH	oklch(51.18% 0.163 29.4)
XYZ	xyz(19.7447, 11.9593, 3.2758)
Luminance	0.1196 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13428 #28A5B1

analogous

#B12861 #B13428 #B17828

triadic

#B13428 #28B134 #3428B1

tetradic

#B13428 #61B128 #28A5B1 #7828B1

square

#B13428 #61B128 #28A5B1 #7828B1

split-complementary

#B13428 #28B178 #2861B1

monochromatic

#4D1711 #7F251D #B13428 #D44F42 #E07D74

Accessibility & contrast

On white

6.19

#B13428 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B13428 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13428

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13428	#FFFFFF	#000000	##FFFFFF
##B13428	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595026

Deuteranopia (green-blind)

#786B23

Tritanopia (blue-blind)

#C30232

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b13428;
/* rgb */ color: rgb(177, 52, 40);
/* oklch */ color: oklch(51.2% 0.163 29.4);

Tailwind

colors: {
  custom: {
    50: '#d17463',
    500: '#b13428',
    950: '#000000',
  },
}

SCSS

$custom: #b13428;
$custom-light: #d17463;
$custom-dark: #000000;

JSON

{
  "hex": "#b13428",
  "rgb": {
    "r": 177,
    "g": 52,
    "b": 40
  },
  "hsl": {
    "h": 5.255,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51177,
    "c": 0.16345,
    "h": 29.4
  },
  "luminance": 0.11956
}

Semantic roles & 50–950 ramp

primary

#B13428

secondary

#6EBFC7

accent

#D8E642

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B13428

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

Preview Lab → · Contrast checker → · Palette generator →