#B03D4B#B03D4B

#B03D4B is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.149 H 16.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B03D4B
RGB	rgb(176, 61, 75)
HSL	hsl(353, 49%, 46%)
HSV	hsv(353, 65%, 69%)
CMYK	cmyk(0%, 65.3%, 57.4%, 31%)
CIE-LAB	lab(42.88, 47.73, 17.47)
CIE-LCH	lch(42.88, 50.82, 20.10°)
OKLab	oklab(52.61% 0.143 0.0432)
OKLCH	oklch(52.61% 0.149 16.8)
XYZ	xyz(20.8451, 13.0784, 8.0819)
Luminance	0.1308 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D4B #3DB0A2

analogous

#B03D85 #B03D4B #B0693D

triadic

#B03D4B #4BB03D #3D4BB0

tetradic

#B03D4B #85B03D #3DB0A2 #693DB0

square

#B03D4B #85B03D #3DB0A2 #693DB0

split-complementary

#B03D4B #3DB069 #3D85B0

monochromatic

#551D24 #832D38 #B03D4B #C8626E #D88F98

Accessibility & contrast

On white

5.81

#B03D4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B03D4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D4B

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D4B	#FFFFFF	#000000	##FFFFFF
##B03D4B	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59564B

Deuteranopia (green-blind)

#776E48

Tritanopia (blue-blind)

#C02643

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03d4b;
/* rgb */ color: rgb(176, 61, 75);
/* oklch */ color: oklch(52.6% 0.149 16.8);

Tailwind

colors: {
  custom: {
    50: '#cd797d',
    500: '#b03d4b',
    950: '#000000',
  },
}

SCSS

$custom: #b03d4b;
$custom-light: #cd797d;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d4b",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 75
  },
  "hsl": {
    "h": 352.696,
    "s": 48.523,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52614,
    "c": 0.14938,
    "h": 16.8
  },
  "luminance": 0.13076
}

Semantic roles & 50–950 ramp

primary

#B03D4B

secondary

#86C3BC

accent

#D8C750

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B03D4B

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

Preview Lab → · Contrast checker → · Palette generator →