#B03B34#B03B34

#B03B34 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.154 H 27.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B03B34
RGB	rgb(176, 59, 52)
HSL	hsl(3, 54%, 45%)
HSV	hsv(3, 70%, 69%)
CMYK	cmyk(0%, 66.5%, 70.5%, 31%)
CIE-LAB	lab(42.17, 47.12, 30.51)
CIE-LCH	lch(42.17, 56.14, 32.92°)
OKLab	oklab(51.95% 0.1367 0.0702)
OKLCH	oklch(51.95% 0.154 27.2)
XYZ	xyz(20.0904, 12.6088, 4.6240)
Luminance	0.1261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03B34 #34A9B0

analogous

#B0346B #B03B34 #B07934

triadic

#B03B34 #34B03B #3B34B0

tetradic

#B03B34 #6BB034 #34A9B0 #7934B0

square

#B03B34 #6BB034 #34A9B0 #7934B0

split-complementary

#B03B34 #34B079 #346BB0

monochromatic

#521B18 #812B26 #B03B34 #CD5B55 #DB8984

Accessibility & contrast

On white

5.96

#B03B34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B03B34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03B34

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03B34	#FFFFFF	#000000	##FFFFFF
##B03B34	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5332

Deuteranopia (green-blind)

#786D30

Tritanopia (blue-blind)

#C11C3A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03b34;
/* rgb */ color: rgb(176, 59, 52);
/* oklch */ color: oklch(52.0% 0.154 27.2);

Tailwind

colors: {
  custom: {
    50: '#cf776c',
    500: '#b03b34',
    950: '#000000',
  },
}

SCSS

$custom: #b03b34;
$custom-light: #cf776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b03b34",
  "rgb": {
    "r": 176,
    "g": 59,
    "b": 52
  },
  "hsl": {
    "h": 3.387,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51952,
    "c": 0.15369,
    "h": 27.2
  },
  "luminance": 0.12606
}

Semantic roles & 50–950 ramp

primary

#B03B34

secondary

#7CC0C4

accent

#D5DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03B34

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

Preview Lab → · Contrast checker → · Palette generator →