#223D74#223D74

#223D74 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.0% C 0.100 H 262.8°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#223D74
RGB	rgb(34, 61, 116)
HSL	hsl(220, 55%, 29%)
HSV	hsv(220, 71%, 45%)
CMYK	cmyk(70.7%, 47.4%, 0%, 54.5%)
CIE-LAB	lab(26.56, 9.72, -34.71)
CIE-LCH	lch(26.56, 36.04, 285.64°)
OKLab	oklab(37.01% -0.0125 -0.0993)
OKLCH	oklch(37.01% 0.1 262.8)
XYZ	xyz(5.4797, 4.9380, 17.1840)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D74 #745922

analogous

#226674 #223D74 #302274

triadic

#223D74 #74223D #3D7422

tetradic

#223D74 #742266 #745922 #227430

square

#223D74 #742266 #745922 #227430

split-complementary

#223D74 #743022 #667422

monochromatic

#070C18 #142445 #223D74 #3056A3 #4772C9

Accessibility & contrast

On white

10.56

#223D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#223D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D74

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D74	#FFFFFF	#000000	##FFFFFF
##223D74	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224376

Deuteranopia (green-blind)

#123B73

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223d74;
/* rgb */ color: rgb(34, 61, 116);
/* oklch */ color: oklch(37.0% 0.100 262.8);

Tailwind

colors: {
  custom: {
    50: '#67729c',
    500: '#223d74',
    950: '#000000',
  },
}

SCSS

$custom: #223d74;
$custom-light: #67729c;
$custom-dark: #000000;

JSON

{
  "hex": "#223d74",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 116
  },
  "hsl": {
    "h": 220.244,
    "s": 54.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37011,
    "c": 0.10007,
    "h": 262.8
  },
  "luminance": 0.04939
}

Semantic roles & 50–950 ramp

primary

#223D74

secondary

#A7894B

accent

#AD4ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223D74

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

Preview Lab → · Contrast checker → · Palette generator →