#223F69#223F69

#223F69 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.7% C 0.081 H 257.7°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#223F69
RGB	rgb(34, 63, 105)
HSL	hsl(215, 51%, 27%)
HSV	hsv(215, 68%, 41%)
CMYK	cmyk(67.6%, 40%, 0%, 58.8%)
CIE-LAB	lab(26.49, 4.03, -27.80)
CIE-LCH	lch(26.49, 28.09, 278.24°)
OKLab	oklab(36.73% -0.0172 -0.079)
OKLCH	oklch(36.73% 0.081 257.7)
XYZ	xyz(4.9861, 4.9145, 14.0477)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F69 #694C22

analogous

#226369 #223F69 #292269

triadic

#223F69 #69223F #3F6922

tetradic

#223F69 #692263 #694C22 #226929

square

#223F69 #692263 #694C22 #226929

split-complementary

#223F69 #692922 #636922

monochromatic

#070E17 #13233B #223F69 #315B97 #4377C2

Accessibility & contrast

On white

10.59

#223F69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#223F69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F69

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F69	#FFFFFF	#000000	##FFFFFF
##223F69	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D426B

Deuteranopia (green-blind)

#233C68

Tritanopia (blue-blind)

#00494F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223f69;
/* rgb */ color: rgb(34, 63, 105);
/* oklch */ color: oklch(36.7% 0.081 257.7);

Tailwind

colors: {
  custom: {
    50: '#657394',
    500: '#223f69',
    950: '#000000',
  },
}

SCSS

$custom: #223f69;
$custom-light: #657394;
$custom-dark: #000000;

JSON

{
  "hex": "#223f69",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 105
  },
  "hsl": {
    "h": 215.493,
    "s": 51.079,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36734,
    "c": 0.08083,
    "h": 257.7
  },
  "luminance": 0.04915
}

Semantic roles & 50–950 ramp

primary

#223F69

secondary

#9D7B4A

accent

#A14DDB

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #223F69

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

Preview Lab → · Contrast checker → · Palette generator →