#223D8A#223D8A

#223D8A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.133 H 265.8°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#223D8A
RGB	rgb(34, 61, 138)
HSL	hsl(224, 60%, 34%)
HSV	hsv(224, 75%, 54%)
CMYK	cmyk(75.4%, 55.8%, 0%, 45.9%)
CIE-LAB	lab(28.15, 18.44, -45.93)
CIE-LCH	lch(28.15, 49.49, 291.88°)
OKLab	oklab(38.73% -0.0097 -0.1323)
OKLCH	oklch(38.73% 0.133 265.8)
XYZ	xyz(6.9143, 5.5118, 24.7393)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D8A #8A6F22

analogous

#22718A #223D8A #3B228A

triadic

#223D8A #8A223D #3D8A22

tetradic

#223D8A #8A2271 #8A6F22 #228A3B

square

#223D8A #8A2271 #8A6F22 #228A3B

split-complementary

#223D8A #8A3B22 #718A22

monochromatic

#0A1228 #162759 #223D8A #2E53BB #5274D4

Accessibility & contrast

On white

9.99

#223D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#223D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D8A

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D8A	#FFFFFF	#000000	##FFFFFF
##223D8A	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223d8a;
/* rgb */ color: rgb(34, 61, 138);
/* oklch */ color: oklch(38.7% 0.133 265.8);

Tailwind

colors: {
  custom: {
    50: '#6d72ad',
    500: '#223d8a',
    950: '#000000',
  },
}

SCSS

$custom: #223d8a;
$custom-light: #6d72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#223d8a",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 138
  },
  "hsl": {
    "h": 224.423,
    "s": 60.465,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38727,
    "c": 0.13264,
    "h": 265.8
  },
  "luminance": 0.05513
}

Semantic roles & 50–950 ramp

primary

#223D8A

secondary

#B89D50

accent

#BA44E4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223D8A

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

Preview Lab → · Contrast checker → · Palette generator →