#223E8B#223E8B

#223E8B is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.133 H 265.5°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#223E8B
RGB	rgb(34, 62, 139)
HSL	hsl(224, 61%, 34%)
HSV	hsv(224, 76%, 55%)
CMYK	cmyk(75.5%, 55.4%, 0%, 45.5%)
CIE-LAB	lab(28.51, 18.14, -45.96)
CIE-LCH	lch(28.51, 49.41, 291.54°)
OKLab	oklab(39.03% -0.0104 -0.1324)
OKLCH	oklch(39.03% 0.133 265.5)
XYZ	xyz(7.0409, 5.6487, 25.1403)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223E8B #8B6F22

analogous

#22738B #223E8B #3B228B

triadic

#223E8B #8B223E #3E8B22

tetradic

#223E8B #8B2273 #8B6F22 #228B3B

square

#223E8B #8B2273 #8B6F22 #228B3B

split-complementary

#223E8B #8B3B22 #738B22

monochromatic

#0A1229 #16285A #223E8B #2E54BC #5375D5

Accessibility & contrast

On white

9.86

#223E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#223E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223E8B

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223E8B	#FFFFFF	#000000	##FFFFFF
##223E8B	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01488E

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#00515E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #223e8b;
/* rgb */ color: rgb(34, 62, 139);
/* oklch */ color: oklch(39.0% 0.133 265.5);

Tailwind

colors: {
  custom: {
    50: '#6d72ad',
    500: '#223e8b',
    950: '#000000',
  },
}

SCSS

$custom: #223e8b;
$custom-light: #6d72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#223e8b",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 139
  },
  "hsl": {
    "h": 224,
    "s": 60.694,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39026,
    "c": 0.13277,
    "h": 265.5
  },
  "luminance": 0.05649
}

Semantic roles & 50–950 ramp

primary

#223E8B

secondary

#B89D50

accent

#B944E4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #223E8B

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

Preview Lab → · Contrast checker → · Palette generator →