#4373CC#4373CC

#4373CC is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.7% C 0.147 H 261.6°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4373CC
RGB	rgb(67, 115, 204)
HSL	hsl(219, 57%, 53%)
HSV	hsv(219, 67%, 80%)
CMYK	cmyk(67.2%, 43.6%, 0%, 20%)
CIE-LAB	lab(49.27, 12.76, -51.01)
CIE-LCH	lch(49.27, 52.58, 284.05°)
OKLab	oklab(56.68% -0.0216 -0.1457)
OKLCH	oklch(56.68% 0.147 261.6)
XYZ	xyz(19.3407, 17.8125, 59.5339)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4373CC #CC9C43

analogous

#43B7CC #4373CC #5743CC

triadic

#4373CC #CC4373 #73CC43

tetradic

#4373CC #CC43B7 #CC9C43 #43CC57

square

#4373CC #CC43B7 #CC9C43 #43CC57

split-complementary

#4373CC #CC5743 #B7CC43

monochromatic

#203E75 #2D57A5 #4373CC #7397D9 #A3BBE6

Accessibility & contrast

On white

4.60

#4373CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4373CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4373CC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

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

Color blindness preview

Protanopia (red-blind)

#487CCF

Deuteranopia (green-blind)

#316FCA

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4373cc;
/* rgb */ color: rgb(67, 115, 204);
/* oklch */ color: oklch(56.7% 0.147 261.6);

Tailwind

colors: {
  custom: {
    50: '#869adc',
    500: '#4373cc',
    950: '#000000',
  },
}

SCSS

$custom: #4373cc;
$custom-light: #869adc;
$custom-dark: #000000;

JSON

{
  "hex": "#4373cc",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 204
  },
  "hsl": {
    "h": 218.978,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.56676,
    "c": 0.14734,
    "h": 261.6
  },
  "luminance": 0.17814
}

Semantic roles & 50–950 ramp

primary

#4373CC

secondary

#D3BE98

accent

#AB47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4373CC

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

Preview Lab → · Contrast checker → · Palette generator →