#223D87#223D87

#223D87 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.128 H 265.6°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#223D87
RGB	rgb(34, 61, 135)
HSL	hsl(224, 60%, 33%)
HSV	hsv(224, 75%, 53%)
CMYK	cmyk(74.8%, 54.8%, 0%, 47.1%)
CIE-LAB	lab(27.92, 17.25, -44.44)
CIE-LCH	lch(27.92, 47.67, 291.22°)
OKLab	oklab(38.48% -0.0099 -0.1279)
OKLCH	oklch(38.48% 0.128 265.6)
XYZ	xyz(6.7001, 5.4261, 23.6112)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D87 #876C22

analogous

#226F87 #223D87 #392287

triadic

#223D87 #87223D #3D8722

tetradic

#223D87 #87226F #876C22 #228739

square

#223D87 #87226F #876C22 #228739

split-complementary

#223D87 #873922 #6F8722

monochromatic

#091125 #162756 #223D87 #2E53B8 #5073D3

Accessibility & contrast

On white

10.07

#223D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#223D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D87

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D87	#FFFFFF	#000000	##FFFFFF
##223D87	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06478A

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223d87;
/* rgb */ color: rgb(34, 61, 135);
/* oklch */ color: oklch(38.5% 0.128 265.6);

Tailwind

colors: {
  custom: {
    50: '#6c72ab',
    500: '#223d87',
    950: '#000000',
  },
}

SCSS

$custom: #223d87;
$custom-light: #6c72ab;
$custom-dark: #000000;

JSON

{
  "hex": "#223d87",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 135
  },
  "hsl": {
    "h": 223.96,
    "s": 59.763,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38481,
    "c": 0.1283,
    "h": 265.6
  },
  "luminance": 0.05427
}

Semantic roles & 50–950 ramp

primary

#223D87

secondary

#B79B4E

accent

#B945E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #223D87

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

Preview Lab → · Contrast checker → · Palette generator →