#223EA4#223EA4

#223EA4 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.168 H 266.8°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#223EA4
RGB	rgb(34, 62, 164)
HSL	hsl(227, 66%, 39%)
HSV	hsv(227, 79%, 64%)
CMYK	cmyk(79.3%, 62.2%, 0%, 35.7%)
CIE-LAB	lab(30.56, 27.91, -57.88)
CIE-LCH	lch(30.56, 64.26, 295.74°)
OKLab	oklab(41.2% -0.0095 -0.1674)
OKLCH	oklch(41.2% 0.168 266.8)
XYZ	xyz(9.0808, 6.4646, 35.8840)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223EA4 #A48822

analogous

#227FA4 #223EA4 #4722A4

triadic

#223EA4 #A4223E #3EA422

tetradic

#223EA4 #A4227F #A48822 #22A447

square

#223EA4 #A4227F #A48822 #22A447

split-complementary

#223EA4 #A44722 #7FA422

monochromatic

#0D183F #172B71 #223EA4 #2F53D4 #627DDE

Accessibility & contrast

On white

9.16

#223EA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#223EA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223EA4

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223EA4	#FFFFFF	#000000	##FFFFFF
##223EA4	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA7

Deuteranopia (green-blind)

#0042A2

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #223ea4;
/* rgb */ color: rgb(34, 62, 164);
/* oklch */ color: oklch(41.2% 0.168 266.8);

Tailwind

colors: {
  custom: {
    50: '#7373c0',
    500: '#223ea4',
    950: '#000000',
  },
}

SCSS

$custom: #223ea4;
$custom-light: #7373c0;
$custom-dark: #000000;

JSON

{
  "hex": "#223ea4",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 164
  },
  "hsl": {
    "h": 227.077,
    "s": 65.657,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41199,
    "c": 0.16764,
    "h": 266.8
  },
  "luminance": 0.06466
}

Semantic roles & 50–950 ramp

primary

#223EA4

secondary

#C4AE5E

accent

#C43FE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #223EA4

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

Preview Lab → · Contrast checker → · Palette generator →