#4373C0#4373C0

#4373C0 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 55.9% C 0.131 H 259.4°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4373C0
RGB	rgb(67, 115, 192)
HSL	hsl(217, 50%, 51%)
HSV	hsv(217, 65%, 75%)
CMYK	cmyk(65.1%, 40.1%, 0%, 24.7%)
CIE-LAB	lab(48.58, 8.52, -45.22)
CIE-LCH	lch(48.58, 46.02, 280.67°)
OKLab	oklab(55.93% -0.024 -0.1287)
OKLCH	oklch(55.93% 0.131 259.4)
XYZ	xyz(17.9565, 17.2588, 52.2439)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4373C0 #C09043

analogous

#43B1C0 #4373C0 #5143C0

triadic

#4373C0 #C04373 #73C043

tetradic

#4373C0 #C043B1 #C09043 #43C051

square

#4373C0 #C043B1 #C09043 #43C051

split-complementary

#4373C0 #C05143 #B1C043

monochromatic

#223C66 #325794 #4373C0 #7195CF #9FB7DF

Accessibility & contrast

On white

4.72

#4373C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4373C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4373C0

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4373C0	#FFFFFF	#000000	##FFFFFF
##4373C0	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#507AC3

Deuteranopia (green-blind)

#3E6EBE

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4373c0;
/* rgb */ color: rgb(67, 115, 192);
/* oklch */ color: oklch(55.9% 0.131 259.4);

Tailwind

colors: {
  custom: {
    50: '#839ad3',
    500: '#4373c0',
    950: '#000000',
  },
}

SCSS

$custom: #4373c0;
$custom-light: #839ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4373c0",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 192
  },
  "hsl": {
    "h": 216.96,
    "s": 49.801,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55926,
    "c": 0.13097,
    "h": 259.4
  },
  "luminance": 0.17261
}

Semantic roles & 50–950 ramp

primary

#4373C0

secondary

#CBB694

accent

#A44ED9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4373C0

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

Preview Lab → · Contrast checker → · Palette generator →