#223A71#223A71

#223A71 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.100 H 264.3°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#223A71
RGB	rgb(34, 58, 113)
HSL	hsl(222, 54%, 29%)
HSV	hsv(222, 70%, 44%)
CMYK	cmyk(69.9%, 48.7%, 0%, 55.7%)
CIE-LAB	lab(25.44, 10.63, -34.60)
CIE-LCH	lch(25.44, 36.19, 287.07°)
OKLab	oklab(36.09% -0.0099 -0.099)
OKLCH	oklch(36.09% 0.1 264.3)
XYZ	xyz(5.1523, 4.5579, 16.2278)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A71 #715922

analogous

#226271 #223A71 #322271

triadic

#223A71 #71223A #3A7122

tetradic

#223A71 #712262 #715922 #227132

square

#223A71 #712262 #715922 #227132

split-complementary

#223A71 #713222 #627122

monochromatic

#070C18 #142242 #223A71 #3052A0 #466DC7

Accessibility & contrast

On white

10.99

#223A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#223A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A71

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A71	#FFFFFF	#000000	##FFFFFF
##223A71	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4073

Deuteranopia (green-blind)

#0F3970

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #223a71;
/* rgb */ color: rgb(34, 58, 113);
/* oklch */ color: oklch(36.1% 0.100 264.3);

Tailwind

colors: {
  custom: {
    50: '#676f9a',
    500: '#223a71',
    950: '#000000',
  },
}

SCSS

$custom: #223a71;
$custom-light: #676f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#223a71",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 221.772,
    "s": 53.741,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36085,
    "c": 0.0995,
    "h": 264.3
  },
  "luminance": 0.04558
}

Semantic roles & 50–950 ramp

primary

#223A71

secondary

#A4894A

accent

#B14BDD

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #223A71

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

Preview Lab → · Contrast checker → · Palette generator →