#223A9D#223A9D

#223A9D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.163 H 267.6°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#223A9D
RGB	rgb(34, 58, 157)
HSL	hsl(228, 64%, 37%)
HSV	hsv(228, 78%, 62%)
CMYK	cmyk(78.3%, 63.1%, 0%, 38.4%)
CIE-LAB	lab(28.90, 27.90, -56.35)
CIE-LCH	lch(28.90, 62.88, 296.34°)
OKLab	oklab(39.78% -0.0069 -0.1629)
OKLCH	oklch(39.78% 0.163 267.6)
XYZ	xyz(8.2564, 5.7996, 32.5760)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A9D #9D8522

analogous

#22779D #223A9D #48229D

triadic

#223A9D #9D223A #3A9D22

tetradic

#223A9D #9D2277 #9D8522 #229D48

square

#223A9D #9D2277 #9D8522 #229D48

split-complementary

#223A9D #9D4822 #779D22

monochromatic

#0C1538 #17276B #223A9D #2D4DCF #5D76DC

Accessibility & contrast

On white

9.72

#223A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#223A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A9D

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A9D	#FFFFFF	#000000	##FFFFFF
##223A9D	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA0

Deuteranopia (green-blind)

#003E9B

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #223a9d;
/* rgb */ color: rgb(34, 58, 157);
/* oklch */ color: oklch(39.8% 0.163 267.6);

Tailwind

colors: {
  custom: {
    50: '#7270bb',
    500: '#223a9d',
    950: '#000000',
  },
}

SCSS

$custom: #223a9d;
$custom-light: #7270bb;
$custom-dark: #000000;

JSON

{
  "hex": "#223a9d",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 157
  },
  "hsl": {
    "h": 228.293,
    "s": 64.398,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39784,
    "c": 0.16309,
    "h": 267.6
  },
  "luminance": 0.05801
}

Semantic roles & 50–950 ramp

primary

#223A9D

secondary

#C1AD5A

accent

#C740E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223A9D

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

Preview Lab → · Contrast checker → · Palette generator →