#B03524#B03524

#B03524 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.162 H 31.0°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B03524
RGB	rgb(176, 53, 36)
HSL	hsl(7, 66%, 42%)
HSV	hsv(7, 80%, 69%)
CMYK	cmyk(0%, 69.9%, 79.5%, 31%)
CIE-LAB	lab(41.07, 48.91, 38.39)
CIE-LCH	lch(41.07, 62.17, 38.13°)
OKLab	oklab(51.07% 0.139 0.0835)
OKLCH	oklch(51.07% 0.162 31)
XYZ	xyz(19.4983, 11.9066, 2.9402)
Luminance	0.1190 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03524 #249FB0

analogous

#B02459 #B03524 #B07B24

triadic

#B03524 #24B035 #3524B0

tetradic

#B03524 #59B024 #249FB0 #7B24B0

square

#B03524 #59B024 #249FB0 #7B24B0

split-complementary

#B03524 #24B07B #2459B0

monochromatic

#4A160F #7D261A #B03524 #D74D3A #E17B6D

Accessibility & contrast

On white

6.21

#B03524 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B03524 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03524

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03524	#FFFFFF	#000000	##FFFFFF
##B03524	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595021

Deuteranopia (green-blind)

#776B1F

Tritanopia (blue-blind)

#C20632

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03524;
/* rgb */ color: rgb(176, 53, 36);
/* oklch */ color: oklch(51.1% 0.162 31.0);

Tailwind

colors: {
  custom: {
    50: '#d07460',
    500: '#b03524',
    950: '#000000',
  },
}

SCSS

$custom: #b03524;
$custom-light: #d07460;
$custom-dark: #000000;

JSON

{
  "hex": "#b03524",
  "rgb": {
    "r": 176,
    "g": 53,
    "b": 36
  },
  "hsl": {
    "h": 7.286,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51067,
    "c": 0.16218,
    "h": 31
  },
  "luminance": 0.11904
}

Semantic roles & 50–950 ramp

primary

#B03524

secondary

#68BCC8

accent

#D4E93F

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B03524

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

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