#223A9A#223A9A

#223A9A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.159 H 267.5°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#223A9A
RGB	rgb(34, 58, 154)
HSL	hsl(228, 64%, 37%)
HSV	hsv(228, 78%, 60%)
CMYK	cmyk(77.9%, 62.3%, 0%, 39.6%)
CIE-LAB	lab(28.64, 26.75, -54.95)
CIE-LCH	lch(28.64, 61.12, 295.95°)
OKLab	oklab(39.51% -0.0069 -0.1588)
OKLCH	oklch(39.51% 0.159 267.5)
XYZ	xyz(8.0034, 5.6984, 31.2437)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A9A #9A8222

analogous

#22769A #223A9A #46229A

triadic

#223A9A #9A223A #3A9A22

tetradic

#223A9A #9A2276 #9A8222 #229A46

square

#223A9A #9A2276 #9A8222 #229A46

split-complementary

#223A9A #9A4622 #769A22

monochromatic

#0C1436 #172768 #223A9A #2D4DCC #5B75DB

Accessibility & contrast

On white

9.81

#223A9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#223A9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A9A

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A9A	#FFFFFF	#000000	##FFFFFF
##223A9A	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #223a9a;
/* rgb */ color: rgb(34, 58, 154);
/* oklch */ color: oklch(39.5% 0.159 267.5);

Tailwind

colors: {
  custom: {
    50: '#716fb9',
    500: '#223a9a',
    950: '#000000',
  },
}

SCSS

$custom: #223a9a;
$custom-light: #716fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#223a9a",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 154
  },
  "hsl": {
    "h": 228,
    "s": 63.83,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39508,
    "c": 0.159,
    "h": 267.5
  },
  "luminance": 0.05699
}

Semantic roles & 50–950 ramp

primary

#223A9A

secondary

#BFAB58

accent

#C641E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #223A9A

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

Preview Lab → · Contrast checker → · Palette generator →