#223E8F#223E8F

#223E8F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.4% C 0.139 H 265.8°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#223E8F
RGB	rgb(34, 62, 143)
HSL	hsl(225, 62%, 35%)
HSV	hsv(225, 76%, 56%)
CMYK	cmyk(76.2%, 56.6%, 0%, 43.9%)
CIE-LAB	lab(28.82, 19.72, -47.92)
CIE-LCH	lch(28.82, 51.82, 292.37°)
OKLab	oklab(39.36% -0.0101 -0.1381)
OKLCH	oklch(39.36% 0.139 265.8)
XYZ	xyz(7.3385, 5.7677, 26.7078)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223E8F #8F7322

analogous

#22758F #223E8F #3C228F

triadic

#223E8F #8F223E #3E8F22

tetradic

#223E8F #8F2275 #8F7322 #228F3C

square

#223E8F #8F2275 #8F7322 #228F3C

split-complementary

#223E8F #8F3C22 #758F22

monochromatic

#0A132C #16295E #223E8F #2E53C0 #5576D7

Accessibility & contrast

On white

9.75

#223E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#223E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223E8F

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223E8F	#FFFFFF	#000000	##FFFFFF
##223E8F	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#003F8D

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #223e8f;
/* rgb */ color: rgb(34, 62, 143);
/* oklch */ color: oklch(39.4% 0.139 265.8);

Tailwind

colors: {
  custom: {
    50: '#6e72b0',
    500: '#223e8f',
    950: '#000000',
  },
}

SCSS

$custom: #223e8f;
$custom-light: #6e72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#223e8f",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 143
  },
  "hsl": {
    "h": 224.587,
    "s": 61.582,
    "l": 34.706
  },
  "oklch": {
    "l": 0.39358,
    "c": 0.13851,
    "h": 265.8
  },
  "luminance": 0.05769
}

Semantic roles & 50–950 ramp

primary

#223E8F

secondary

#BAA052

accent

#BB43E5

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #223E8F

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

Preview Lab → · Contrast checker → · Palette generator →