#223EA8#223EA8

#223EA8 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.173 H 266.9°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#223EA8
RGB	rgb(34, 62, 168)
HSL	hsl(227, 66%, 40%)
HSV	hsv(227, 80%, 66%)
CMYK	cmyk(79.8%, 63.1%, 0%, 34.1%)
CIE-LAB	lab(30.91, 29.44, -59.71)
CIE-LCH	lch(30.91, 66.57, 296.24°)
OKLab	oklab(41.57% -0.0095 -0.1727)
OKLCH	oklch(41.57% 0.173 266.9)
XYZ	xyz(9.4477, 6.6114, 37.8164)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223EA8 #A88C22

analogous

#2281A8 #223EA8 #4922A8

triadic

#223EA8 #A8223E #3EA822

tetradic

#223EA8 #A82281 #A88C22 #22A849

square

#223EA8 #A82281 #A88C22 #22A849

split-complementary

#223EA8 #A84922 #81A822

monochromatic

#0D1842 #182B75 #223EA8 #3254D5 #657EE0

Accessibility & contrast

On white

9.04

#223EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#223EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223EA8

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223EA8	#FFFFFF	#000000	##FFFFFF
##223EA8	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAB

Deuteranopia (green-blind)

#0043A6

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #223ea8;
/* rgb */ color: rgb(34, 62, 168);
/* oklch */ color: oklch(41.6% 0.173 266.9);

Tailwind

colors: {
  custom: {
    50: '#7473c3',
    500: '#223ea8',
    950: '#000000',
  },
}

SCSS

$custom: #223ea8;
$custom-light: #7473c3;
$custom-dark: #000000;

JSON

{
  "hex": "#223ea8",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 168
  },
  "hsl": {
    "h": 227.463,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41566,
    "c": 0.17301,
    "h": 266.9
  },
  "luminance": 0.06612
}

Semantic roles & 50–950 ramp

primary

#223EA8

secondary

#C5B061

accent

#C63FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #223EA8

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

Preview Lab → · Contrast checker → · Palette generator →