#223D8D#223D8D

#223D8D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.137 H 266.0°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#223D8D
RGB	rgb(34, 61, 141)
HSL	hsl(225, 61%, 34%)
HSV	hsv(225, 76%, 55%)
CMYK	cmyk(75.9%, 56.7%, 0%, 44.7%)
CIE-LAB	lab(28.38, 19.63, -47.40)
CIE-LCH	lch(28.38, 51.30, 292.49°)
OKLab	oklab(38.98% -0.0095 -0.1366)
OKLCH	oklch(38.98% 0.137 266)
XYZ	xyz(7.1345, 5.5999, 25.8990)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D8D #8D7222

analogous

#22738D #223D8D #3D228D

triadic

#223D8D #8D223D #3D8D22

tetradic

#223D8D #8D2273 #8D7222 #228D3D

square

#223D8D #8D2273 #8D7222 #228D3D

split-complementary

#223D8D #8D3D22 #738D22

monochromatic

#0A122A #16285C #223D8D #2E52BE #5475D6

Accessibility & contrast

On white

9.90

#223D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#223D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D8D

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D8D	#FFFFFF	#000000	##FFFFFF
##223D8D	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #223d8d;
/* rgb */ color: rgb(34, 61, 141);
/* oklch */ color: oklch(39.0% 0.137 266.0);

Tailwind

colors: {
  custom: {
    50: '#6d72af',
    500: '#223d8d',
    950: '#000000',
  },
}

SCSS

$custom: #223d8d;
$custom-light: #6d72af;
$custom-dark: #000000;

JSON

{
  "hex": "#223d8d",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 224.86,
    "s": 61.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38978,
    "c": 0.13696,
    "h": 266
  },
  "luminance": 0.05601
}

Semantic roles & 50–950 ramp

primary

#223D8D

secondary

#B99F51

accent

#BC44E4

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223D8D

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

Preview Lab → · Contrast checker → · Palette generator →