#223A6D#223A6D

#223A6D is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.093 H 263.4°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#223A6D
RGB	rgb(34, 58, 109)
HSL	hsl(221, 52%, 28%)
HSV	hsv(221, 69%, 43%)
CMYK	cmyk(68.8%, 46.8%, 0%, 57.3%)
CIE-LAB	lab(25.17, 9.05, -32.47)
CIE-LCH	lch(25.17, 33.71, 285.57°)
OKLab	oklab(35.79% -0.0106 -0.0927)
OKLCH	oklch(35.79% 0.093 263.4)
XYZ	xyz(4.9321, 4.4699, 15.0679)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A6D #6D5522

analogous

#225F6D #223A6D #2F226D

triadic

#223A6D #6D223A #3A6D22

tetradic

#223A6D #6D225F #6D5522 #226D2F

square

#223A6D #6D225F #6D5522 #226D2F

split-complementary

#223A6D #6D2F22 #5F6D22

monochromatic

#070C17 #13213E #223A6D #31539C #456EC5

Accessibility & contrast

On white

11.09

#223A6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#223A6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A6D

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A6D	#FFFFFF	#000000	##FFFFFF
##223A6D	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223F6F

Deuteranopia (green-blind)

#15386C

Tritanopia (blue-blind)

#00464E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #223a6d;
/* rgb */ color: rgb(34, 58, 109);
/* oklch */ color: oklch(35.8% 0.093 263.4);

Tailwind

colors: {
  custom: {
    50: '#666f97',
    500: '#223a6d',
    950: '#000000',
  },
}

SCSS

$custom: #223a6d;
$custom-light: #666f97;
$custom-dark: #000000;

JSON

{
  "hex": "#223a6d",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 109
  },
  "hsl": {
    "h": 220.8,
    "s": 52.448,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35792,
    "c": 0.09336,
    "h": 263.4
  },
  "luminance": 0.0447
}

Semantic roles & 50–950 ramp

primary

#223A6D

secondary

#A1854A

accent

#AE4CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #223A6D

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

Preview Lab → · Contrast checker → · Palette generator →