#223A8D#223A8D

#223A8D is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.141 H 267.1°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#223A8D
RGB	rgb(34, 58, 141)
HSL	hsl(227, 61%, 34%)
HSV	hsv(227, 76%, 55%)
CMYK	cmyk(75.9%, 58.9%, 0%, 44.7%)
CIE-LAB	lab(27.54, 21.69, -48.76)
CIE-LCH	lch(27.54, 53.37, 293.98°)
OKLab	oklab(38.35% -0.0071 -0.1407)
OKLCH	oklch(38.35% 0.141 267.1)
XYZ	xyz(6.9788, 5.2885, 25.8471)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A8D #8D7522

analogous

#22708D #223A8D #40228D

triadic

#223A8D #8D223A #3A8D22

tetradic

#223A8D #8D2270 #8D7522 #228D40

square

#223A8D #8D2270 #8D7522 #228D40

split-complementary

#223A8D #8D4022 #708D22

monochromatic

#0A112A #16265C #223A8D #2E4EBE #5471D6

Accessibility & contrast

On white

10.21

#223A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#223A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A8D

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A8D	#FFFFFF	#000000	##FFFFFF
##223A8D	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #223a8d;
/* rgb */ color: rgb(34, 58, 141);
/* oklch */ color: oklch(38.3% 0.141 267.1);

Tailwind

colors: {
  custom: {
    50: '#6e6faf',
    500: '#223a8d',
    950: '#000000',
  },
}

SCSS

$custom: #223a8d;
$custom-light: #6e6faf;
$custom-dark: #000000;

JSON

{
  "hex": "#223a8d",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 141
  },
  "hsl": {
    "h": 226.542,
    "s": 61.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38348,
    "c": 0.14086,
    "h": 267.1
  },
  "luminance": 0.05289
}

Semantic roles & 50–950 ramp

primary

#223A8D

secondary

#B9A251

accent

#C044E4

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223A8D

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

Preview Lab → · Contrast checker → · Palette generator →