#223371#223371

#223371 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.109 H 268.6°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#223371
RGB	rgb(34, 51, 113)
HSL	hsl(227, 54%, 29%)
HSV	hsv(227, 70%, 44%)
CMYK	cmyk(69.9%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(23.34, 15.56, -37.98)
CIE-LCH	lch(23.34, 41.04, 292.28°)
OKLab	oklab(34.49% -0.0027 -0.1091)
OKLCH	oklch(34.49% 0.109 268.6)
XYZ	xyz(4.8231, 3.8995, 16.1181)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223371 #716022

analogous

#225B71 #223371 #392271

triadic

#223371 #712233 #337122

tetradic

#223371 #71225B #716022 #227139

square

#223371 #71225B #716022 #227139

split-complementary

#223371 #713922 #5B7122

monochromatic

#070B18 #141E42 #223371 #3048A0 #4662C7

Accessibility & contrast

On white

11.80

#223371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#223371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223371

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223371	#FFFFFF	#000000	##FFFFFF
##223371	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3B73

Deuteranopia (green-blind)

#003470

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #223371;
/* rgb */ color: rgb(34, 51, 113);
/* oklch */ color: oklch(34.5% 0.109 268.6);

Tailwind

colors: {
  custom: {
    50: '#676a9a',
    500: '#223371',
    950: '#000000',
  },
}

SCSS

$custom: #223371;
$custom-light: #676a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#223371",
  "rgb": {
    "r": 34,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 227.089,
    "s": 53.741,
    "l": 28.824
  },
  "oklch": {
    "l": 0.34487,
    "c": 0.1091,
    "h": 268.6
  },
  "luminance": 0.039
}

Semantic roles & 50–950 ramp

primary

#223371

secondary

#A4914A

accent

#BE4BDD

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #223371

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

Preview Lab → · Contrast checker → · Palette generator →