#B63428#B63428

#B63428 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.169 H 29.3°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B63428
RGB	rgb(182, 52, 40)
HSL	hsl(5, 64%, 44%)
HSV	hsv(5, 78%, 71%)
CMYK	cmyk(0%, 71.4%, 78%, 28.6%)
CIE-LAB	lab(42.09, 51.43, 37.61)
CIE-LCH	lch(42.09, 63.71, 36.17°)
OKLab	oklab(52.05% 0.147 0.0826)
OKLCH	oklch(52.05% 0.169 29.3)
XYZ	xyz(20.9048, 12.5575, 3.3302)
Luminance	0.1255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63428 #28AAB6

analogous

#B62863 #B63428 #B67B28

triadic

#B63428 #28B634 #3428B6

tetradic

#B63428 #63B628 #28AAB6 #7B28B6

square

#B63428 #63B628 #28AAB6 #7B28B6

split-complementary

#B63428 #28B67B #2863B6

monochromatic

#521712 #84261D #B63428 #D65145 #E18077

Accessibility & contrast

On white

5.98

#B63428 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B63428 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63428

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63428	#FFFFFF	#000000	##FFFFFF
##B63428	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5125

Deuteranopia (green-blind)

#7B6E23

Tritanopia (blue-blind)

#C90032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b63428;
/* rgb */ color: rgb(182, 52, 40);
/* oklch */ color: oklch(52.0% 0.169 29.3);

Tailwind

colors: {
  custom: {
    50: '#d57463',
    500: '#b63428',
    950: '#000000',
  },
}

SCSS

$custom: #b63428;
$custom-light: #d57463;
$custom-dark: #000000;

JSON

{
  "hex": "#b63428",
  "rgb": {
    "r": 182,
    "g": 52,
    "b": 40
  },
  "hsl": {
    "h": 5.07,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.5205,
    "c": 0.16863,
    "h": 29.3
  },
  "luminance": 0.12554
}

Semantic roles & 50–950 ramp

primary

#B63428

secondary

#71C1C9

accent

#D9E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B63428

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

Preview Lab → · Contrast checker → · Palette generator →