#223D7C#223D7C

#223D7C is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.112 H 264.3°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#223D7C
RGB	rgb(34, 61, 124)
HSL	hsl(222, 57%, 31%)
HSV	hsv(222, 73%, 49%)
CMYK	cmyk(72.6%, 50.8%, 0%, 51.4%)
CIE-LAB	lab(27.11, 12.89, -38.87)
CIE-LCH	lch(27.11, 40.95, 288.34°)
OKLab	oklab(37.61% -0.0112 -0.1115)
OKLCH	oklch(37.61% 0.112 264.3)
XYZ	xyz(5.9652, 5.1322, 19.7411)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D7C #7C6122

analogous

#226A7C #223D7C #34227C

triadic

#223D7C #7C223D #3D7C22

tetradic

#223D7C #7C226A #7C6122 #227C34

square

#223D7C #7C226A #7C6122 #227C34

split-complementary

#223D7C #7C3422 #6A7C22

monochromatic

#080E1C #15254C #223D7C #2F55AC #4B72CE

Accessibility & contrast

On white

10.36

#223D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#223D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D7C

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D7C	#FFFFFF	#000000	##FFFFFF
##223D7C	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A447E

Deuteranopia (green-blind)

#003C7B

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223d7c;
/* rgb */ color: rgb(34, 61, 124);
/* oklch */ color: oklch(37.6% 0.112 264.3);

Tailwind

colors: {
  custom: {
    50: '#6972a2',
    500: '#223d7c',
    950: '#000000',
  },
}

SCSS

$custom: #223d7c;
$custom-light: #6972a2;
$custom-dark: #000000;

JSON

{
  "hex": "#223d7c",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 124
  },
  "hsl": {
    "h": 222,
    "s": 56.962,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3761,
    "c": 0.11209,
    "h": 264.3
  },
  "luminance": 0.05133
}

Semantic roles & 50–950 ramp

primary

#223D7C

secondary

#AF914B

accent

#B248E0

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223D7C

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

Preview Lab → · Contrast checker → · Palette generator →