#223A66#223A66

#223A66 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.083 H 261.5°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#223A66
RGB	rgb(34, 58, 102)
HSL	hsl(219, 50%, 27%)
HSV	hsv(219, 67%, 40%)
CMYK	cmyk(66.7%, 43.1%, 0%, 60%)
CIE-LAB	lab(24.72, 6.31, -28.69)
CIE-LCH	lch(24.72, 29.37, 282.40°)
OKLab	oklab(35.3% -0.0121 -0.0816)
OKLCH	oklch(35.3% 0.083 261.5)
XYZ	xyz(4.5702, 4.3251, 13.1618)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A66 #664E22

analogous

#225C66 #223A66 #2C2266

triadic

#223A66 #66223A #3A6622

tetradic

#223A66 #66225C #664E22 #22662C

square

#223A66 #66225C #664E22 #22662C

split-complementary

#223A66 #662C22 #5C6622

monochromatic

#080D17 #132038 #223A66 #315494 #426FC0

Accessibility & contrast

On white

11.26

#223A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#223A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A66

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A66	#FFFFFF	#000000	##FFFFFF
##223A66	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263E68

Deuteranopia (green-blind)

#1D3865

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #223a66;
/* rgb */ color: rgb(34, 58, 102);
/* oklch */ color: oklch(35.3% 0.083 261.5);

Tailwind

colors: {
  custom: {
    50: '#656f92',
    500: '#223a66',
    950: '#000000',
  },
}

SCSS

$custom: #223a66;
$custom-light: #656f92;
$custom-dark: #000000;

JSON

{
  "hex": "#223a66",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 102
  },
  "hsl": {
    "h": 218.824,
    "s": 50,
    "l": 26.667
  },
  "oklch": {
    "l": 0.353,
    "c": 0.08254,
    "h": 261.5
  },
  "luminance": 0.04326
}

Semantic roles & 50–950 ramp

primary

#223A66

secondary

#9A7E4A

accent

#A84EDA

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #223A66

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

Preview Lab → · Contrast checker → · Palette generator →