#B03145#B03145

#B03145 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.163 H 16.3°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B03145
RGB	rgb(176, 49, 69)
HSL	hsl(351, 56%, 44%)
HSV	hsv(351, 72%, 69%)
CMYK	cmyk(0%, 72.2%, 60.8%, 31%)
CIE-LAB	lab(40.99, 52.13, 18.68)
CIE-LCH	lch(40.99, 55.38, 19.71°)
OKLab	oklab(51.17% 0.156 0.0456)
OKLCH	oklch(51.17% 0.163 16.3)
XYZ	xyz(20.0790, 11.8593, 6.8608)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03145 #31B09C

analogous

#B03185 #B03145 #B05D31

triadic

#B03145 #45B031 #3145B0

tetradic

#B03145 #85B031 #31B09C #5D31B0

square

#B03145 #85B031 #31B09C #5D31B0

split-complementary

#B03145 #31B05D #3185B0

monochromatic

#50161F #802432 #B03145 #CE5064 #DC808E

Accessibility & contrast

On white

6.23

#B03145 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B03145 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03145

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03145	#FFFFFF	#000000	##FFFFFF
##B03145	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535045

Deuteranopia (green-blind)

#736A42

Tritanopia (blue-blind)

#C10B39

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03145;
/* rgb */ color: rgb(176, 49, 69);
/* oklch */ color: oklch(51.2% 0.163 16.3);

Tailwind

colors: {
  custom: {
    50: '#ce7378',
    500: '#b03145',
    950: '#000000',
  },
}

SCSS

$custom: #b03145;
$custom-light: #ce7378;
$custom-dark: #000000;

JSON

{
  "hex": "#b03145",
  "rgb": {
    "r": 176,
    "g": 49,
    "b": 69
  },
  "hsl": {
    "h": 350.551,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51166,
    "c": 0.16255,
    "h": 16.3
  },
  "luminance": 0.11856
}

Semantic roles & 50–950 ramp

primary

#B03145

secondary

#78C5B9

accent

#E0C848

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B03145

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

Preview Lab → · Contrast checker → · Palette generator →