#B03033#B03033

#B03033 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.7% C 0.165 H 24.1°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#B03033
RGB	rgb(176, 48, 51)
HSL	hsl(359, 57%, 44%)
HSV	hsv(359, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 71%, 31%)
CIE-LAB	lab(40.55, 51.45, 29.19)
CIE-LCH	lch(40.55, 59.16, 29.57°)
OKLab	oklab(50.74% 0.1502 0.0672)
OKLCH	oklch(50.74% 0.165 24.1)
XYZ	xyz(19.5612, 11.5860, 4.3376)
Luminance	0.1158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03033 #30B0AD

analogous

#B03073 #B03033 #B06D30

triadic

#B03033 #33B030 #3033B0

tetradic

#B03033 #73B030 #30B0AD #6D30B0

square

#B03033 #73B030 #30B0AD #6D30B0

split-complementary

#B03033 #30B06D #3073B0

monochromatic

#501617 #802325 #B03033 #CF4E51 #DC7E81

Accessibility & contrast

On white

6.33

#B03033 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B03033 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03033

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03033	#FFFFFF	#000000	##FFFFFF
##B03033	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E32

Deuteranopia (green-blind)

#756A2F

Tritanopia (blue-blind)

#C20033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03033;
/* rgb */ color: rgb(176, 48, 51);
/* oklch */ color: oklch(50.7% 0.165 24.1);

Tailwind

colors: {
  custom: {
    50: '#d0726b',
    500: '#b03033',
    950: '#000000',
  },
}

SCSS

$custom: #b03033;
$custom-light: #d0726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b03033",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 51
  },
  "hsl": {
    "h": 358.594,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50738,
    "c": 0.16451,
    "h": 24.1
  },
  "luminance": 0.11583
}

Semantic roles & 50–950 ramp

primary

#B03033

secondary

#77C5C3

accent

#E0DD47

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B03033

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

Preview Lab → · Contrast checker → · Palette generator →