#223D7A#223D7A

#223D7A is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.109 H 263.9°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#223D7A
RGB	rgb(34, 61, 122)
HSL	hsl(222, 56%, 31%)
HSV	hsv(222, 72%, 48%)
CMYK	cmyk(72.1%, 50%, 0%, 52.2%)
CIE-LAB	lab(26.97, 12.10, -37.84)
CIE-LCH	lch(26.97, 39.73, 287.73°)
OKLab	oklab(37.46% -0.0115 -0.1085)
OKLCH	oklch(37.46% 0.109 263.9)
XYZ	xyz(5.8400, 5.0821, 19.0817)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D7A #7A5F22

analogous

#22697A #223D7A #33227A

triadic

#223D7A #7A223D #3D7A22

tetradic

#223D7A #7A2269 #7A5F22 #227A33

square

#223D7A #7A2269 #7A5F22 #227A33

split-complementary

#223D7A #7A3322 #697A22

monochromatic

#070D1A #15254A #223D7A #2F55AA #4A72CD

Accessibility & contrast

On white

10.41

#223D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#223D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D7A

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D7A	#FFFFFF	#000000	##FFFFFF
##223D7A	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C447C

Deuteranopia (green-blind)

#063C79

Tritanopia (blue-blind)

#004B55

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223d7a;
/* rgb */ color: rgb(34, 61, 122);
/* oklch */ color: oklch(37.5% 0.109 263.9);

Tailwind

colors: {
  custom: {
    50: '#6972a1',
    500: '#223d7a',
    950: '#000000',
  },
}

SCSS

$custom: #223d7a;
$custom-light: #6972a1;
$custom-dark: #000000;

JSON

{
  "hex": "#223d7a",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 122
  },
  "hsl": {
    "h": 221.591,
    "s": 56.41,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37457,
    "c": 0.1091,
    "h": 263.9
  },
  "luminance": 0.05083
}

Semantic roles & 50–950 ramp

primary

#223D7A

secondary

#AD8F4B

accent

#B148E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #223D7A

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

Preview Lab → · Contrast checker → · Palette generator →