#B03038#B03038

#B03038 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.164 H 22.0°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B03038
RGB	rgb(176, 48, 56)
HSL	hsl(356, 57%, 44%)
HSV	hsv(356, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 68.2%, 31%)
CIE-LAB	lab(40.63, 51.71, 26.25)
CIE-LCH	lch(40.63, 57.99, 26.92°)
OKLab	oklab(50.82% 0.1521 0.0615)
OKLCH	oklch(50.82% 0.164 22)
XYZ	xyz(19.6774, 11.6325, 4.9498)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03038 #30B0A8

analogous

#B03078 #B03038 #B06830

triadic

#B03038 #38B030 #3038B0

tetradic

#B03038 #78B030 #30B0A8 #6830B0

square

#B03038 #78B030 #30B0A8 #6830B0

split-complementary

#B03038 #30B068 #3078B0

monochromatic

#501619 #802329 #B03038 #CF4E56 #DC7E84

Accessibility & contrast

On white

6.31

#B03038 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B03038 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03038

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03038	#FFFFFF	#000000	##FFFFFF
##B03038	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E37

Deuteranopia (green-blind)

#746A34

Tritanopia (blue-blind)

#C10034

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03038;
/* rgb */ color: rgb(176, 48, 56);
/* oklch */ color: oklch(50.8% 0.164 22.0);

Tailwind

colors: {
  custom: {
    50: '#cf726e',
    500: '#b03038',
    950: '#000000',
  },
}

SCSS

$custom: #b03038;
$custom-light: #cf726e;
$custom-dark: #000000;

JSON

{
  "hex": "#b03038",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 56
  },
  "hsl": {
    "h": 356.25,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50819,
    "c": 0.16401,
    "h": 22
  },
  "luminance": 0.1163
}

Semantic roles & 50–950 ramp

primary

#B03038

secondary

#77C5C0

accent

#E0D747

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B03038

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

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