#223E66#223E66

#223E66 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.078 H 257.4°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#223E66
RGB	rgb(34, 62, 102)
HSL	hsl(215, 50%, 27%)
HSV	hsv(215, 67%, 40%)
CMYK	cmyk(66.7%, 39.2%, 0%, 60%)
CIE-LAB	lab(25.99, 3.55, -26.66)
CIE-LCH	lch(25.99, 26.90, 277.58°)
OKLab	oklab(36.29% -0.0168 -0.0757)
OKLCH	oklch(36.29% 0.078 257.4)
XYZ	xyz(4.7797, 4.7442, 13.2316)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223E66 #664A22

analogous

#226066 #223E66 #282266

triadic

#223E66 #66223E #3E6622

tetradic

#223E66 #662260 #664A22 #226628

square

#223E66 #662260 #664A22 #226628

split-complementary

#223E66 #662822 #606622

monochromatic

#080E17 #132238 #223E66 #315A94 #4276C0

Accessibility & contrast

On white

10.77

#223E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#223E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223E66

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223E66	#FFFFFF	#000000	##FFFFFF
##223E66	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4168

Deuteranopia (green-blind)

#233B65

Tritanopia (blue-blind)

#00474D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223e66;
/* rgb */ color: rgb(34, 62, 102);
/* oklch */ color: oklch(36.3% 0.078 257.4);

Tailwind

colors: {
  custom: {
    50: '#657292',
    500: '#223e66',
    950: '#000000',
  },
}

SCSS

$custom: #223e66;
$custom-light: #657292;
$custom-dark: #000000;

JSON

{
  "hex": "#223e66",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 102
  },
  "hsl": {
    "h": 215.294,
    "s": 50,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36289,
    "c": 0.07751,
    "h": 257.4
  },
  "luminance": 0.04745
}

Semantic roles & 50–950 ramp

primary

#223E66

secondary

#9A794A

accent

#A04EDA

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #223E66

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

Preview Lab → · Contrast checker → · Palette generator →