#223F7A#223F7A

#223F7A is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.106 H 262.7°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#223F7A
RGB	rgb(34, 63, 122)
HSL	hsl(220, 56%, 31%)
HSV	hsv(220, 72%, 48%)
CMYK	cmyk(72.1%, 48.4%, 0%, 52.2%)
CIE-LAB	lab(27.57, 10.71, -36.87)
CIE-LCH	lch(27.57, 38.39, 286.20°)
OKLab	oklab(37.92% -0.0135 -0.1056)
OKLCH	oklch(37.92% 0.106 262.7)
XYZ	xyz(5.9488, 5.2996, 19.1180)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F7A #7A5D22

analogous

#226B7A #223F7A #31227A

triadic

#223F7A #7A223F #3F7A22

tetradic

#223F7A #7A226B #7A5D22 #227A31

square

#223F7A #7A226B #7A5D22 #227A31

split-complementary

#223F7A #7A3122 #6B7A22

monochromatic

#070E1A #15264A #223F7A #2F58AA #4A75CD

Accessibility & contrast

On white

10.19

#223F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#223F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F7A

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F7A	#FFFFFF	#000000	##FFFFFF
##223F7A	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21457C

Deuteranopia (green-blind)

#0E3D79

Tritanopia (blue-blind)

#004D56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #223f7a;
/* rgb */ color: rgb(34, 63, 122);
/* oklch */ color: oklch(37.9% 0.106 262.7);

Tailwind

colors: {
  custom: {
    50: '#6973a1',
    500: '#223f7a',
    950: '#000000',
  },
}

SCSS

$custom: #223f7a;
$custom-light: #6973a1;
$custom-dark: #000000;

JSON

{
  "hex": "#223f7a",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 122
  },
  "hsl": {
    "h": 220.227,
    "s": 56.41,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3792,
    "c": 0.10646,
    "h": 262.7
  },
  "luminance": 0.053
}

Semantic roles & 50–950 ramp

primary

#223F7A

secondary

#AD8D4B

accent

#AE48E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #223F7A

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

Preview Lab → · Contrast checker → · Palette generator →