#223B68#223B68

#223B68 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.7% C 0.084 H 261.2°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#223B68
RGB	rgb(34, 59, 104)
HSL	hsl(219, 51%, 27%)
HSV	hsv(219, 67%, 41%)
CMYK	cmyk(67.3%, 43.3%, 0%, 59.2%)
CIE-LAB	lab(25.16, 6.39, -29.27)
CIE-LCH	lch(25.16, 29.96, 282.32°)
OKLab	oklab(35.68% -0.0128 -0.0833)
OKLCH	oklch(35.68% 0.084 261.2)
XYZ	xyz(4.7215, 4.4670, 13.7074)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B68 #684F22

analogous

#225E68 #223B68 #2C2268

triadic

#223B68 #68223B #3B6822

tetradic

#223B68 #68225E #684F22 #22682C

square

#223B68 #68225E #684F22 #22682C

split-complementary

#223B68 #682C22 #5E6822

monochromatic

#080D17 #13213A #223B68 #315596 #4370C2

Accessibility & contrast

On white

11.09

#223B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#223B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B68

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B68	#FFFFFF	#000000	##FFFFFF
##223B68	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)

#273F6A

Deuteranopia (green-blind)

#1D3967

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #223b68;
/* rgb */ color: rgb(34, 59, 104);
/* oklch */ color: oklch(35.7% 0.084 261.2);

Tailwind

colors: {
  custom: {
    50: '#657093',
    500: '#223b68',
    950: '#000000',
  },
}

SCSS

$custom: #223b68;
$custom-light: #657093;
$custom-dark: #000000;

JSON

{
  "hex": "#223b68",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 104
  },
  "hsl": {
    "h": 218.571,
    "s": 50.725,
    "l": 27.059
  },
  "oklch": {
    "l": 0.35682,
    "c": 0.08433,
    "h": 261.2
  },
  "luminance": 0.04467
}

Semantic roles & 50–950 ramp

primary

#223B68

secondary

#9C7F4A

accent

#A84EDA

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #223B68

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

Preview Lab → · Contrast checker → · Palette generator →