#223D77#223D77

#223D77 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.105 H 263.4°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#223D77
RGB	rgb(34, 61, 119)
HSL	hsl(221, 56%, 30%)
HSV	hsv(221, 71%, 47%)
CMYK	cmyk(71.4%, 48.7%, 0%, 53.3%)
CIE-LAB	lab(26.76, 10.91, -36.28)
CIE-LCH	lch(26.76, 37.88, 286.73°)
OKLab	oklab(37.23% -0.012 -0.1039)
OKLCH	oklch(37.23% 0.105 263.4)
XYZ	xyz(5.6570, 5.0089, 18.1179)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D77 #775C22

analogous

#226877 #223D77 #312277

triadic

#223D77 #77223D #3D7722

tetradic

#223D77 #772268 #775C22 #227731

square

#223D77 #772268 #775C22 #227731

split-complementary

#223D77 #773122 #687722

monochromatic

#070C18 #142547 #223D77 #3055A7 #4972CB

Accessibility & contrast

On white

10.49

#223D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#223D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D77

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D77	#FFFFFF	#000000	##FFFFFF
##223D77	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4379

Deuteranopia (green-blind)

#0D3C76

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223d77;
/* rgb */ color: rgb(34, 61, 119);
/* oklch */ color: oklch(37.2% 0.105 263.4);

Tailwind

colors: {
  custom: {
    50: '#68729f',
    500: '#223d77',
    950: '#000000',
  },
}

SCSS

$custom: #223d77;
$custom-light: #68729f;
$custom-dark: #000000;

JSON

{
  "hex": "#223d77",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 119
  },
  "hsl": {
    "h": 220.941,
    "s": 55.556,
    "l": 30
  },
  "oklch": {
    "l": 0.37232,
    "c": 0.1046,
    "h": 263.4
  },
  "luminance": 0.05009
}

Semantic roles & 50–950 ramp

primary

#223D77

secondary

#AA8C4B

accent

#AF49DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223D77

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

Preview Lab → · Contrast checker → · Palette generator →