#223C8D#223C8D

#223C8D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.138 H 266.4°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#223C8D
RGB	rgb(34, 60, 141)
HSL	hsl(225, 61%, 34%)
HSV	hsv(225, 76%, 55%)
CMYK	cmyk(75.9%, 57.4%, 0%, 44.7%)
CIE-LAB	lab(28.10, 20.31, -47.86)
CIE-LCH	lch(28.10, 51.99, 293.00°)
OKLab	oklab(38.77% -0.0087 -0.138)
OKLCH	oklch(38.77% 0.138 266.4)
XYZ	xyz(7.0816, 5.4941, 25.8814)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C8D #8D7322

analogous

#22728D #223C8D #3E228D

triadic

#223C8D #8D223C #3C8D22

tetradic

#223C8D #8D2272 #8D7322 #228D3E

square

#223C8D #8D2272 #8D7322 #228D3E

split-complementary

#223C8D #8D3E22 #728D22

monochromatic

#0A122A #16275C #223C8D #2E51BE #5473D6

Accessibility & contrast

On white

10.00

#223C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#223C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C8D

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C8D	#FFFFFF	#000000	##FFFFFF
##223C8D	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004790

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223c8d;
/* rgb */ color: rgb(34, 60, 141);
/* oklch */ color: oklch(38.8% 0.138 266.4);

Tailwind

colors: {
  custom: {
    50: '#6d71af',
    500: '#223c8d',
    950: '#000000',
  },
}

SCSS

$custom: #223c8d;
$custom-light: #6d71af;
$custom-dark: #000000;

JSON

{
  "hex": "#223c8d",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 141
  },
  "hsl": {
    "h": 225.421,
    "s": 61.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38766,
    "c": 0.13826,
    "h": 266.4
  },
  "luminance": 0.05495
}

Semantic roles & 50–950 ramp

primary

#223C8D

secondary

#B9A051

accent

#BD44E4

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223C8D

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

Preview Lab → · Contrast checker → · Palette generator →