#B03534#B03534

#B03534 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.160 H 25.2°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B03534
RGB	rgb(176, 53, 52)
HSL	hsl(0, 54%, 45%)
HSV	hsv(0, 70%, 69%)
CMYK	cmyk(0%, 69.9%, 70.5%, 31%)
CIE-LAB	lab(41.26, 49.59, 29.44)
CIE-LCH	lch(41.26, 57.67, 30.69°)
OKLab	oklab(51.27% 0.1445 0.0679)
OKLCH	oklch(51.27% 0.16 25.2)
XYZ	xyz(19.7996, 12.0272, 4.5271)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03534 #34AFB0

analogous

#B03471 #B03534 #B07334

triadic

#B03534 #34B035 #3534B0

tetradic

#B03534 #71B034 #34AFB0 #7334B0

square

#B03534 #71B034 #34AFB0 #7334B0

split-complementary

#B03534 #34B073 #3471B0

monochromatic

#521918 #812726 #B03534 #CD5655 #DB8584

Accessibility & contrast

On white

6.17

#B03534 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B03534 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03534

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03534	#FFFFFF	#000000	##FFFFFF
##B03534	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585033

Deuteranopia (green-blind)

#766B30

Tritanopia (blue-blind)

#C10D36

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03534;
/* rgb */ color: rgb(176, 53, 52);
/* oklch */ color: oklch(51.3% 0.160 25.2);

Tailwind

colors: {
  custom: {
    50: '#cf746b',
    500: '#b03534',
    950: '#000000',
  },
}

SCSS

$custom: #b03534;
$custom-light: #cf746b;
$custom-dark: #000000;

JSON

{
  "hex": "#b03534",
  "rgb": {
    "r": 176,
    "g": 53,
    "b": 52
  },
  "hsl": {
    "h": 0.484,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51272,
    "c": 0.15964,
    "h": 25.2
  },
  "luminance": 0.12024
}

Semantic roles & 50–950 ramp

primary

#B03534

secondary

#7CC4C4

accent

#DDDE4A

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03534

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

Preview Lab → · Contrast checker → · Palette generator →