#4372D8#4372D8

#4372D8 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.3% C 0.165 H 263.5°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4372D8
RGB	rgb(67, 114, 216)
HSL	hsl(221, 66%, 55%)
HSV	hsv(221, 69%, 85%)
CMYK	cmyk(69%, 47.2%, 0%, 15.3%)
CIE-LAB	lab(49.72, 17.67, -57.12)
CIE-LCH	lch(49.72, 59.79, 287.19°)
OKLab	oklab(57.26% -0.0187 -0.1637)
OKLCH	oklch(57.26% 0.165 263.5)
XYZ	xyz(20.7223, 18.1837, 67.3701)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4372D8 #D8A943

analogous

#43BCD8 #4372D8 #5E43D8

triadic

#4372D8 #D84372 #72D843

tetradic

#4372D8 #D843BC #D8A943 #43D85E

square

#4372D8 #D843BC #D8A943 #43D85E

split-complementary

#4372D8 #D85E43 #BCD843

monochromatic

#1C3D85 #2654B8 #4372D8 #7698E3 #A8BEED

Accessibility & contrast

On white

4.53

#4372D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4372D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4372D8

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4372D8	#FFFFFF	#000000	##000000
##4372D8	1.00	4.53	4.64	4.64
#FFFFFF	4.53	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)

#3C7EDC

Deuteranopia (green-blind)

#1870D6

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4372d8;
/* rgb */ color: rgb(67, 114, 216);
/* oklch */ color: oklch(57.3% 0.165 263.5);

Tailwind

colors: {
  custom: {
    50: '#889ae5',
    500: '#4372d8',
    950: '#000000',
  },
}

SCSS

$custom: #4372d8;
$custom-light: #889ae5;
$custom-dark: #000000;

JSON

{
  "hex": "#4372d8",
  "rgb": {
    "r": 67,
    "g": 114,
    "b": 216
  },
  "hsl": {
    "h": 221.074,
    "s": 65.639,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57255,
    "c": 0.16478,
    "h": 263.5
  },
  "luminance": 0.18186
}

Semantic roles & 50–950 ramp

primary

#4372D8

secondary

#DAC79C

accent

#B33FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4372D8

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

Preview Lab → · Contrast checker → · Palette generator →