#223CA8#223CA8

#223CA8 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.175 H 267.3°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#223CA8
RGB	rgb(34, 60, 168)
HSL	hsl(228, 66%, 40%)
HSV	hsv(228, 80%, 66%)
CMYK	cmyk(79.8%, 64.3%, 0%, 34.1%)
CIE-LAB	lab(30.39, 30.76, -60.55)
CIE-LCH	lch(30.39, 67.91, 296.93°)
OKLab	oklab(41.19% -0.0083 -0.1752)
OKLCH	oklch(41.19% 0.175 267.3)
XYZ	xyz(9.3410, 6.3979, 37.7808)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223CA8 #A88E22

analogous

#227FA8 #223CA8 #4B22A8

triadic

#223CA8 #A8223C #3CA822

tetradic

#223CA8 #A8227F #A88E22 #22A84B

square

#223CA8 #A8227F #A88E22 #22A84B

split-complementary

#223CA8 #A84B22 #7FA822

monochromatic

#0D1842 #182A75 #223CA8 #3252D5 #657DE0

Accessibility & contrast

On white

9.21

#223CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#223CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223CA8

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223CA8	#FFFFFF	#000000	##FFFFFF
##223CA8	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAB

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #223ca8;
/* rgb */ color: rgb(34, 60, 168);
/* oklch */ color: oklch(41.2% 0.175 267.3);

Tailwind

colors: {
  custom: {
    50: '#7471c3',
    500: '#223ca8',
    950: '#000000',
  },
}

SCSS

$custom: #223ca8;
$custom-light: #7471c3;
$custom-dark: #000000;

JSON

{
  "hex": "#223ca8",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 168
  },
  "hsl": {
    "h": 228.358,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41189,
    "c": 0.17542,
    "h": 267.3
  },
  "luminance": 0.06399
}

Semantic roles & 50–950 ramp

primary

#223CA8

secondary

#C5B261

accent

#C83FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #223CA8

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

Preview Lab → · Contrast checker → · Palette generator →