#4373D0#4373D0

#4373D0 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.9% C 0.153 H 262.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4373D0
RGB	rgb(67, 115, 208)
HSL	hsl(220, 60%, 54%)
HSV	hsv(220, 68%, 82%)
CMYK	cmyk(67.8%, 44.7%, 0%, 18.4%)
CIE-LAB	lab(49.50, 14.19, -52.91)
CIE-LCH	lch(49.50, 54.78, 285.01°)
OKLab	oklab(56.93% -0.0209 -0.1513)
OKLCH	oklch(56.93% 0.153 262.1)
XYZ	xyz(19.8266, 18.0068, 62.0931)
Luminance	0.1801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4373D0 #D0A043

analogous

#43BAD0 #4373D0 #5A43D0

triadic

#4373D0 #D04373 #73D043

tetradic

#4373D0 #D043BA #D0A043 #43D05A

square

#4373D0 #D043BA #D0A043 #43D05A

split-complementary

#4373D0 #D05A43 #BAD043

monochromatic

#1F3E7A #2B56AB #4373D0 #7497DC #A5BCE8

Accessibility & contrast

On white

4.56

#4373D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4373D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4373D0

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4373D0	#FFFFFF	#000000	##000000
##4373D0	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#457DD4

Deuteranopia (green-blind)

#2B70CE

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4373d0;
/* rgb */ color: rgb(67, 115, 208);
/* oklch */ color: oklch(56.9% 0.153 262.1);

Tailwind

colors: {
  custom: {
    50: '#869adf',
    500: '#4373d0',
    950: '#000000',
  },
}

SCSS

$custom: #4373d0;
$custom-light: #869adf;
$custom-dark: #000000;

JSON

{
  "hex": "#4373d0",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 208
  },
  "hsl": {
    "h": 219.574,
    "s": 60,
    "l": 53.922
  },
  "oklch": {
    "l": 0.56934,
    "c": 0.15277,
    "h": 262.1
  },
  "luminance": 0.18009
}

Semantic roles & 50–950 ramp

primary

#4373D0

secondary

#D5C199

accent

#AD45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4373D0

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

Preview Lab → · Contrast checker → · Palette generator →