#B03C30#B03C30

#B03C30 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.0% C 0.153 H 29.2°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B03C30
RGB	rgb(176, 60, 48)
HSL	hsl(6, 57%, 44%)
HSV	hsv(6, 73%, 69%)
CMYK	cmyk(0%, 65.9%, 72.7%, 31%)
CIE-LAB	lab(42.27, 46.49, 32.97)
CIE-LCH	lch(42.27, 56.99, 35.34°)
OKLab	oklab(52.02% 0.1339 0.0748)
OKLCH	oklch(52.02% 0.153 29.2)
XYZ	xyz(20.0560, 12.6781, 4.1868)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03C30 #30A4B0

analogous

#B03064 #B03C30 #B07C30

triadic

#B03C30 #30B03C #3C30B0

tetradic

#B03C30 #64B030 #30A4B0 #7C30B0

square

#B03C30 #64B030 #30A4B0 #7C30B0

split-complementary

#B03C30 #30B07C #3064B0

monochromatic

#501B16 #802C23 #B03C30 #CF5A4E #DC877E

Accessibility & contrast

On white

5.94

#B03C30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B03C30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03C30

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03C30	#FFFFFF	#000000	##FFFFFF
##B03C30	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C542E

Deuteranopia (green-blind)

#796D2C

Tritanopia (blue-blind)

#C11D3A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03c30;
/* rgb */ color: rgb(176, 60, 48);
/* oklch */ color: oklch(52.0% 0.153 29.2);

Tailwind

colors: {
  custom: {
    50: '#cf7869',
    500: '#b03c30',
    950: '#000000',
  },
}

SCSS

$custom: #b03c30;
$custom-light: #cf7869;
$custom-dark: #000000;

JSON

{
  "hex": "#b03c30",
  "rgb": {
    "r": 176,
    "g": 60,
    "b": 48
  },
  "hsl": {
    "h": 5.625,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52015,
    "c": 0.1534,
    "h": 29.2
  },
  "luminance": 0.12675
}

Semantic roles & 50–950 ramp

primary

#B03C30

secondary

#77BDC5

accent

#D2E047

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03C30

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

Preview Lab → · Contrast checker → · Palette generator →