#223EA1#223EA1

#223EA1 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.164 H 266.7°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#223EA1
RGB	rgb(34, 62, 161)
HSL	hsl(227, 65%, 38%)
HSV	hsv(227, 79%, 63%)
CMYK	cmyk(78.9%, 61.5%, 0%, 36.9%)
CIE-LAB	lab(30.30, 26.75, -56.49)
CIE-LCH	lch(30.30, 62.51, 295.34°)
OKLab	oklab(40.93% -0.0095 -0.1633)
OKLCH	oklch(40.93% 0.164 266.7)
XYZ	xyz(8.8131, 6.3575, 34.4739)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223EA1 #A18522

analogous

#227DA1 #223EA1 #4622A1

triadic

#223EA1 #A1223E #3EA122

tetradic

#223EA1 #A1227D #A18522 #22A146

square

#223EA1 #A1227D #A18522 #22A146

split-complementary

#223EA1 #A14622 #7DA122

monochromatic

#0D173C #172B6E #223EA1 #2D52D3 #607CDD

Accessibility & contrast

On white

9.24

#223EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#223EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223EA1

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223EA1	#FFFFFF	#000000	##FFFFFF
##223EA1	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00429F

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #223ea1;
/* rgb */ color: rgb(34, 62, 161);
/* oklch */ color: oklch(40.9% 0.164 266.7);

Tailwind

colors: {
  custom: {
    50: '#7273be',
    500: '#223ea1',
    950: '#000000',
  },
}

SCSS

$custom: #223ea1;
$custom-light: #7273be;
$custom-dark: #000000;

JSON

{
  "hex": "#223ea1",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 161
  },
  "hsl": {
    "h": 226.772,
    "s": 65.128,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40927,
    "c": 0.16358,
    "h": 266.7
  },
  "luminance": 0.06359
}

Semantic roles & 50–950 ramp

primary

#223EA1

secondary

#C2AC5D

accent

#C340E8

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #223EA1

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

Preview Lab → · Contrast checker → · Palette generator →