#4372D9#4372D9

#4372D9 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.3% C 0.166 H 263.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4372D9
RGB	rgb(67, 114, 217)
HSL	hsl(221, 66%, 56%)
HSV	hsv(221, 69%, 85%)
CMYK	cmyk(69.1%, 47.5%, 0%, 14.9%)
CIE-LAB	lab(49.78, 18.02, -57.58)
CIE-LCH	lch(49.78, 60.34, 287.38°)
OKLab	oklab(57.32% -0.0186 -0.1651)
OKLCH	oklch(57.32% 0.166 263.6)
XYZ	xyz(20.8520, 18.2355, 68.0531)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4372D9 #D9AA43

analogous

#43BDD9 #4372D9 #5F43D9

triadic

#4372D9 #D94372 #72D943

tetradic

#4372D9 #D943BD #D9AA43 #43D95F

square

#4372D9 #D943BD #D9AA43 #43D95F

split-complementary

#4372D9 #D95F43 #BDD943

monochromatic

#1B3D86 #2554B9 #4372D9 #7698E3 #A9BEEE

Accessibility & contrast

On white

4.52

#4372D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4372D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4372D9

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4372D9	#FFFFFF	#000000	##000000
##4372D9	1.00	4.52	4.65	4.65
#FFFFFF	4.52	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)

#3B7EDD

Deuteranopia (green-blind)

#1570D7

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4372d9;
/* rgb */ color: rgb(67, 114, 217);
/* oklch */ color: oklch(57.3% 0.166 263.6);

Tailwind

colors: {
  custom: {
    50: '#889ae5',
    500: '#4372d9',
    950: '#000000',
  },
}

SCSS

$custom: #4372d9;
$custom-light: #889ae5;
$custom-dark: #000000;

JSON

{
  "hex": "#4372d9",
  "rgb": {
    "r": 67,
    "g": 114,
    "b": 217
  },
  "hsl": {
    "h": 221.2,
    "s": 66.372,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57323,
    "c": 0.16613,
    "h": 263.6
  },
  "luminance": 0.18238
}

Semantic roles & 50–950 ramp

primary

#4372D9

secondary

#DBC89D

accent

#B43FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4372D9

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

Preview Lab → · Contrast checker → · Palette generator →