#223E71#223E71

#223E71 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.0% C 0.094 H 261.3°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#223E71
RGB	rgb(34, 62, 113)
HSL	hsl(219, 54%, 29%)
HSV	hsv(219, 70%, 44%)
CMYK	cmyk(69.9%, 45.1%, 0%, 55.7%)
CIE-LAB	lab(26.67, 7.84, -32.62)
CIE-LCH	lch(26.67, 33.55, 283.52°)
OKLab	oklab(37.03% -0.0142 -0.0931)
OKLCH	oklch(37.03% 0.094 261.3)
XYZ	xyz(5.3619, 4.9771, 16.2977)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223E71 #715522

analogous

#226671 #223E71 #2E2271

triadic

#223E71 #71223E #3E7122

tetradic

#223E71 #712266 #715522 #22712E

square

#223E71 #712266 #715522 #22712E

split-complementary

#223E71 #712E22 #667122

monochromatic

#070D18 #142442 #223E71 #3058A0 #4674C7

Accessibility & contrast

On white

10.52

#223E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#223E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223E71

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223E71	#FFFFFF	#000000	##FFFFFF
##223E71	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264373

Deuteranopia (green-blind)

#193C70

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223e71;
/* rgb */ color: rgb(34, 62, 113);
/* oklch */ color: oklch(37.0% 0.094 261.3);

Tailwind

colors: {
  custom: {
    50: '#67729a',
    500: '#223e71',
    950: '#000000',
  },
}

SCSS

$custom: #223e71;
$custom-light: #67729a;
$custom-dark: #000000;

JSON

{
  "hex": "#223e71",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 113
  },
  "hsl": {
    "h": 218.734,
    "s": 53.741,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37033,
    "c": 0.09421,
    "h": 261.3
  },
  "luminance": 0.04978
}

Semantic roles & 50–950 ramp

primary

#223E71

secondary

#A4844A

accent

#A94BDD

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #223E71

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

Preview Lab → · Contrast checker → · Palette generator →