#223A99#223A99

#223A99 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.4% C 0.158 H 267.5°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#223A99
RGB	rgb(34, 58, 153)
HSL	hsl(228, 64%, 37%)
HSV	hsv(228, 78%, 60%)
CMYK	cmyk(77.8%, 62.1%, 0%, 40%)
CIE-LAB	lab(28.55, 26.36, -54.49)
CIE-LCH	lch(28.55, 60.53, 295.82°)
OKLab	oklab(39.42% -0.0069 -0.1575)
OKLCH	oklch(39.42% 0.158 267.5)
XYZ	xyz(7.9205, 5.6652, 30.8069)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A99 #998122

analogous

#227699 #223A99 #462299

triadic

#223A99 #99223A #3A9922

tetradic

#223A99 #992276 #998122 #229946

square

#223A99 #992276 #998122 #229946

split-complementary

#223A99 #994622 #769922

monochromatic

#0C1435 #172767 #223A99 #2D4DCB #5B75DB

Accessibility & contrast

On white

9.84

#223A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#223A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A99

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A99	#FFFFFF	#000000	##FFFFFF
##223A99	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#003E97

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #223a99;
/* rgb */ color: rgb(34, 58, 153);
/* oklch */ color: oklch(39.4% 0.158 267.5);

Tailwind

colors: {
  custom: {
    50: '#716fb8',
    500: '#223a99',
    950: '#000000',
  },
}

SCSS

$custom: #223a99;
$custom-light: #716fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#223a99",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 153
  },
  "hsl": {
    "h": 227.899,
    "s": 63.636,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39416,
    "c": 0.15762,
    "h": 267.5
  },
  "luminance": 0.05666
}

Semantic roles & 50–950 ramp

primary

#223A99

secondary

#BFAA58

accent

#C541E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #223A99

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

Preview Lab → · Contrast checker → · Palette generator →