#223CA9#223CA9

#223CA9 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.3% C 0.177 H 267.3°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#223CA9
RGB	rgb(34, 60, 169)
HSL	hsl(228, 67%, 40%)
HSV	hsv(228, 80%, 66%)
CMYK	cmyk(79.9%, 64.5%, 0%, 33.7%)
CIE-LAB	lab(30.49, 31.14, -61.00)
CIE-LCH	lch(30.49, 68.49, 297.04°)
OKLab	oklab(41.28% -0.0083 -0.1765)
OKLCH	oklch(41.28% 0.177 267.3)
XYZ	xyz(9.4345, 6.4353, 38.2733)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223CA9 #A98F22

analogous

#2280A9 #223CA9 #4B22A9

triadic

#223CA9 #A9223C #3CA922

tetradic

#223CA9 #A92280 #A98F22 #22A94B

square

#223CA9 #A92280 #A98F22 #22A94B

split-complementary

#223CA9 #A94B22 #80A922

monochromatic

#0D1843 #182A76 #223CA9 #3252D6 #657DE0

Accessibility & contrast

On white

9.18

#223CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#223CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223CA9

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223CA9	#FFFFFF	#000000	##FFFFFF
##223CA9	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAC

Deuteranopia (green-blind)

#0042A7

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #223ca9;
/* rgb */ color: rgb(34, 60, 169);
/* oklch */ color: oklch(41.3% 0.177 267.3);

Tailwind

colors: {
  custom: {
    50: '#7571c4',
    500: '#223ca9',
    950: '#000000',
  },
}

SCSS

$custom: #223ca9;
$custom-light: #7571c4;
$custom-dark: #000000;

JSON

{
  "hex": "#223ca9",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 169
  },
  "hsl": {
    "h": 228.444,
    "s": 66.502,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41283,
    "c": 0.17674,
    "h": 267.3
  },
  "luminance": 0.06436
}

Semantic roles & 50–950 ramp

primary

#223CA9

secondary

#C5B261

accent

#C83EE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #223CA9

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

Preview Lab → · Contrast checker → · Palette generator →