#223D66#223D66

#223D66 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.0% C 0.079 H 258.5°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#223D66
RGB	rgb(34, 61, 102)
HSL	hsl(216, 50%, 27%)
HSV	hsv(216, 67%, 40%)
CMYK	cmyk(66.7%, 40.2%, 0%, 60%)
CIE-LAB	lab(25.67, 4.24, -27.17)
CIE-LCH	lch(25.67, 27.50, 278.86°)
OKLab	oklab(36.04% -0.0157 -0.0772)
OKLCH	oklch(36.04% 0.079 258.5)
XYZ	xyz(4.7259, 4.6364, 13.2137)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D66 #664B22

analogous

#225F66 #223D66 #292266

triadic

#223D66 #66223D #3D6622

tetradic

#223D66 #66225F #664B22 #226629

square

#223D66 #66225F #664B22 #226629

split-complementary

#223D66 #662922 #5F6622

monochromatic

#080E17 #132238 #223D66 #315894 #4274C0

Accessibility & contrast

On white

10.90

#223D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#223D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D66

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D66	#FFFFFF	#000000	##FFFFFF
##223D66	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4068

Deuteranopia (green-blind)

#223A65

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #223d66;
/* rgb */ color: rgb(34, 61, 102);
/* oklch */ color: oklch(36.0% 0.079 258.5);

Tailwind

colors: {
  custom: {
    50: '#657292',
    500: '#223d66',
    950: '#000000',
  },
}

SCSS

$custom: #223d66;
$custom-light: #657292;
$custom-dark: #000000;

JSON

{
  "hex": "#223d66",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 102
  },
  "hsl": {
    "h": 216.176,
    "s": 50,
    "l": 26.667
  },
  "oklch": {
    "l": 0.3604,
    "c": 0.07874,
    "h": 258.5
  },
  "luminance": 0.04637
}

Semantic roles & 50–950 ramp

primary

#223D66

secondary

#9A7A4A

accent

#A24EDA

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #223D66

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

Preview Lab → · Contrast checker → · Palette generator →