#B83428#B83428

#B83428 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.171 H 29.3°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B83428
RGB	rgb(184, 52, 40)
HSL	hsl(5, 64%, 44%)
HSV	hsv(5, 78%, 72%)
CMYK	cmyk(0%, 71.7%, 78.3%, 27.8%)
CIE-LAB	lab(42.46, 52.08, 38.12)
CIE-LCH	lch(42.46, 64.54, 36.20°)
OKLab	oklab(52.4% 0.1489 0.0835)
OKLCH	oklch(52.4% 0.171 29.3)
XYZ	xyz(21.3806, 12.8028, 3.3525)
Luminance	0.1280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83428 #28ACB8

analogous

#B82864 #B83428 #B87C28

triadic

#B83428 #28B834 #3428B8

tetradic

#B83428 #64B828 #28ACB8 #7C28B8

square

#B83428 #64B828 #28ACB8 #7C28B8

split-complementary

#B83428 #28B87C #2864B8

monochromatic

#531812 #86261D #B83428 #D75246 #E28179

Accessibility & contrast

On white

5.90

#B83428 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B83428 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83428

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83428	#FFFFFF	#000000	##FFFFFF
##B83428	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5225

Deuteranopia (green-blind)

#7C6F22

Tritanopia (blue-blind)

#CB0032

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b83428;
/* rgb */ color: rgb(184, 52, 40);
/* oklch */ color: oklch(52.4% 0.171 29.3);

Tailwind

colors: {
  custom: {
    50: '#d67463',
    500: '#b83428',
    950: '#000000',
  },
}

SCSS

$custom: #b83428;
$custom-light: #d67463;
$custom-dark: #000000;

JSON

{
  "hex": "#b83428",
  "rgb": {
    "r": 184,
    "g": 52,
    "b": 40
  },
  "hsl": {
    "h": 5,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52399,
    "c": 0.17068,
    "h": 29.3
  },
  "luminance": 0.128
}

Semantic roles & 50–950 ramp

primary

#B83428

secondary

#72C2CA

accent

#D9E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B83428

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

Preview Lab → · Contrast checker → · Palette generator →