#223C66#223C66

#223C66 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.080 H 259.6°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#223C66
RGB	rgb(34, 60, 102)
HSL	hsl(217, 50%, 27%)
HSV	hsv(217, 67%, 40%)
CMYK	cmyk(66.7%, 41.2%, 0%, 60%)
CIE-LAB	lab(25.35, 4.92, -27.68)
CIE-LCH	lch(25.35, 28.11, 280.09°)
OKLab	oklab(35.79% -0.0145 -0.0787)
OKLCH	oklch(35.79% 0.08 259.6)
XYZ	xyz(4.6730, 4.5307, 13.1960)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C66 #664C22

analogous

#225E66 #223C66 #2A2266

triadic

#223C66 #66223C #3C6622

tetradic

#223C66 #66225E #664C22 #22662A

square

#223C66 #66225E #664C22 #22662A

split-complementary

#223C66 #662A22 #5E6622

monochromatic

#080D17 #132138 #223C66 #315794 #4272C0

Accessibility & contrast

On white

11.02

#223C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#223C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C66

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C66	#FFFFFF	#000000	##FFFFFF
##223C66	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4068

Deuteranopia (green-blind)

#203965

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #223c66;
/* rgb */ color: rgb(34, 60, 102);
/* oklch */ color: oklch(35.8% 0.080 259.6);

Tailwind

colors: {
  custom: {
    50: '#657192',
    500: '#223c66',
    950: '#000000',
  },
}

SCSS

$custom: #223c66;
$custom-light: #657192;
$custom-dark: #000000;

JSON

{
  "hex": "#223c66",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 102
  },
  "hsl": {
    "h": 217.059,
    "s": 50,
    "l": 26.667
  },
  "oklch": {
    "l": 0.35792,
    "c": 0.07998,
    "h": 259.6
  },
  "luminance": 0.04531
}

Semantic roles & 50–950 ramp

primary

#223C66

secondary

#9A7B4A

accent

#A44EDA

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #223C66

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

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