#223D9F#223D9F

#223D9F is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.162 H 266.9°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#223D9F
RGB	rgb(34, 61, 159)
HSL	hsl(227, 65%, 38%)
HSV	hsv(227, 79%, 62%)
CMYK	cmyk(78.6%, 61.6%, 0%, 37.6%)
CIE-LAB	lab(29.86, 26.65, -55.99)
CIE-LCH	lch(29.86, 62.01, 295.45°)
OKLab	oklab(40.55% -0.0088 -0.1619)
OKLCH	oklch(40.55% 0.162 266.9)
XYZ	xyz(8.5843, 6.1798, 33.5346)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D9F #9F8422

analogous

#227B9F #223D9F #45229F

triadic

#223D9F #9F223D #3D9F22

tetradic

#223D9F #9F227B #9F8422 #229F45

square

#223D9F #9F227B #9F8422 #229F45

split-complementary

#223D9F #9F4522 #7B9F22

monochromatic

#0C163A #172A6D #223D9F #2D50D1 #5F7ADD

Accessibility & contrast

On white

9.39

#223D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#223D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D9F

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D9F	#FFFFFF	#000000	##FFFFFF
##223D9F	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00419D

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #223d9f;
/* rgb */ color: rgb(34, 61, 159);
/* oklch */ color: oklch(40.6% 0.162 266.9);

Tailwind

colors: {
  custom: {
    50: '#7272bc',
    500: '#223d9f',
    950: '#000000',
  },
}

SCSS

$custom: #223d9f;
$custom-light: #7272bc;
$custom-dark: #000000;

JSON

{
  "hex": "#223d9f",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 159
  },
  "hsl": {
    "h": 227.04,
    "s": 64.767,
    "l": 37.843
  },
  "oklch": {
    "l": 0.4055,
    "c": 0.1621,
    "h": 266.9
  },
  "luminance": 0.06181
}

Semantic roles & 50–950 ramp

primary

#223D9F

secondary

#C1AB5B

accent

#C440E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223D9F

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

Preview Lab → · Contrast checker → · Palette generator →