#4373D4#4373D4

#4373D4 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.158 H 262.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4373D4
RGB	rgb(67, 115, 212)
HSL	hsl(220, 63%, 55%)
HSV	hsv(220, 68%, 83%)
CMYK	cmyk(68.4%, 45.8%, 0%, 16.9%)
CIE-LAB	lab(49.75, 15.61, -54.80)
CIE-LCH	lch(49.75, 56.98, 285.90°)
OKLab	oklab(57.2% -0.0202 -0.1569)
OKLCH	oklch(57.2% 0.158 262.7)
XYZ	xyz(20.3249, 18.2062, 64.7176)
Luminance	0.1821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4373D4 #D4A443

analogous

#43BCD4 #4373D4 #5C43D4

triadic

#4373D4 #D44373 #73D443

tetradic

#4373D4 #D443BC #D4A443 #43D45C

square

#4373D4 #D443BC #D4A443 #43D45C

split-complementary

#4373D4 #D45C43 #BCD443

monochromatic

#1D3E7F #2956B1 #4373D4 #7598DF #A7BDEB

Accessibility & contrast

On white

4.52

#4373D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4373D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4373D4

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4373D4	#FFFFFF	#000000	##000000
##4373D4	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#427DD8

Deuteranopia (green-blind)

#2570D2

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4373d4;
/* rgb */ color: rgb(67, 115, 212);
/* oklch */ color: oklch(57.2% 0.158 262.7);

Tailwind

colors: {
  custom: {
    50: '#879ae2',
    500: '#4373d4',
    950: '#000000',
  },
}

SCSS

$custom: #4373d4;
$custom-light: #879ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#4373d4",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 212
  },
  "hsl": {
    "h": 220.138,
    "s": 62.771,
    "l": 54.706
  },
  "oklch": {
    "l": 0.57197,
    "c": 0.15819,
    "h": 262.7
  },
  "luminance": 0.18208
}

Semantic roles & 50–950 ramp

primary

#4373D4

secondary

#D8C49B

accent

#B042E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4373D4

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

Preview Lab → · Contrast checker → · Palette generator →