#223C8F#223C8F

#223C8F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.141 H 266.5°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#223C8F
RGB	rgb(34, 60, 143)
HSL	hsl(226, 62%, 35%)
HSV	hsv(226, 76%, 56%)
CMYK	cmyk(76.2%, 58%, 0%, 43.9%)
CIE-LAB	lab(28.26, 21.10, -48.83)
CIE-LCH	lch(28.26, 53.20, 293.37°)
OKLab	oklab(38.94% -0.0085 -0.1408)
OKLCH	oklch(38.94% 0.141 266.5)
XYZ	xyz(7.2317, 5.5542, 26.6722)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C8F #8F7522

analogous

#22738F #223C8F #3F228F

triadic

#223C8F #8F223C #3C8F22

tetradic

#223C8F #8F2273 #8F7522 #228F3F

square

#223C8F #8F2273 #8F7522 #228F3F

split-complementary

#223C8F #8F3F22 #738F22

monochromatic

#0A132C #16275E #223C8F #2E51C0 #5574D7

Accessibility & contrast

On white

9.95

#223C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#223C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C8F

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C8F	#FFFFFF	#000000	##FFFFFF
##223C8F	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004892

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #223c8f;
/* rgb */ color: rgb(34, 60, 143);
/* oklch */ color: oklch(38.9% 0.141 266.5);

Tailwind

colors: {
  custom: {
    50: '#6e71b0',
    500: '#223c8f',
    950: '#000000',
  },
}

SCSS

$custom: #223c8f;
$custom-light: #6e71b0;
$custom-dark: #000000;

JSON

{
  "hex": "#223c8f",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 143
  },
  "hsl": {
    "h": 225.688,
    "s": 61.582,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38937,
    "c": 0.14111,
    "h": 266.5
  },
  "luminance": 0.05555
}

Semantic roles & 50–950 ramp

primary

#223C8F

secondary

#BAA252

accent

#BE43E5

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #223C8F

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

Preview Lab → · Contrast checker → · Palette generator →