#223D71#223D71

#223D71 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.096 H 262.1°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#223D71
RGB	rgb(34, 61, 113)
HSL	hsl(219, 54%, 29%)
HSV	hsv(219, 70%, 44%)
CMYK	cmyk(69.9%, 46%, 0%, 55.7%)
CIE-LAB	lab(26.36, 8.54, -33.12)
CIE-LCH	lch(26.36, 34.20, 284.45°)
OKLab	oklab(36.79% -0.0131 -0.0946)
OKLCH	oklch(36.79% 0.096 262.1)
XYZ	xyz(5.3080, 4.8693, 16.2797)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D71 #715622

analogous

#226571 #223D71 #2F2271

triadic

#223D71 #71223D #3D7122

tetradic

#223D71 #712265 #715622 #22712F

square

#223D71 #712265 #715622 #22712F

split-complementary

#223D71 #712F22 #657122

monochromatic

#070D18 #142442 #223D71 #3056A0 #4672C7

Accessibility & contrast

On white

10.64

#223D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#223D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D71

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D71	#FFFFFF	#000000	##FFFFFF
##223D71	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244273

Deuteranopia (green-blind)

#173B70

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223d71;
/* rgb */ color: rgb(34, 61, 113);
/* oklch */ color: oklch(36.8% 0.096 262.1);

Tailwind

colors: {
  custom: {
    50: '#67729a',
    500: '#223d71',
    950: '#000000',
  },
}

SCSS

$custom: #223d71;
$custom-light: #67729a;
$custom-dark: #000000;

JSON

{
  "hex": "#223d71",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 113
  },
  "hsl": {
    "h": 219.494,
    "s": 53.741,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36794,
    "c": 0.09551,
    "h": 262.1
  },
  "luminance": 0.0487
}

Semantic roles & 50–950 ramp

primary

#223D71

secondary

#A4864A

accent

#AB4BDD

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #223D71

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

Preview Lab → · Contrast checker → · Palette generator →