#4373D5#4373D5

#4373D5 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.3% C 0.160 H 262.8°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4373D5
RGB	rgb(67, 115, 213)
HSL	hsl(220, 63%, 55%)
HSV	hsv(220, 69%, 84%)
CMYK	cmyk(68.5%, 46%, 0%, 16.5%)
CIE-LAB	lab(49.81, 15.97, -55.27)
CIE-LCH	lch(49.81, 57.53, 286.11°)
OKLab	oklab(57.26% -0.0201 -0.1583)
OKLCH	oklch(57.26% 0.16 262.8)
XYZ	xyz(20.4515, 18.2568, 65.3840)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4373D5 #D5A543

analogous

#43BCD5 #4373D5 #5C43D5

triadic

#4373D5 #D54373 #73D543

tetradic

#4373D5 #D543BC #D5A543 #43D55C

square

#4373D5 #D543BC #D5A543 #43D55C

split-complementary

#4373D5 #D55C43 #BCD543

monochromatic

#1D3E81 #2856B3 #4373D5 #7598E0 #A7BEEB

Accessibility & contrast

On white

4.51

#4373D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4373D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4373D5

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4373D5	#FFFFFF	#000000	##000000
##4373D5	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417ED9

Deuteranopia (green-blind)

#2370D3

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4373d5;
/* rgb */ color: rgb(67, 115, 213);
/* oklch */ color: oklch(57.3% 0.160 262.8);

Tailwind

colors: {
  custom: {
    50: '#879ae2',
    500: '#4373d5',
    950: '#000000',
  },
}

SCSS

$custom: #4373d5;
$custom-light: #879ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#4373d5",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 213
  },
  "hsl": {
    "h": 220.274,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.57263,
    "c": 0.15955,
    "h": 262.8
  },
  "luminance": 0.18259
}

Semantic roles & 50–950 ramp

primary

#4373D5

secondary

#D9C49B

accent

#B041E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4373D5

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

Preview Lab → · Contrast checker → · Palette generator →