#223A77#223A77

#223A77 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.5% C 0.109 H 265.3°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#223A77
RGB	rgb(34, 58, 119)
HSL	hsl(223, 56%, 30%)
HSV	hsv(223, 71%, 47%)
CMYK	cmyk(71.4%, 51.3%, 0%, 53.3%)
CIE-LAB	lab(25.86, 13.00, -37.74)
CIE-LCH	lch(25.86, 39.91, 289.01°)
OKLab	oklab(36.54% -0.009 -0.1082)
OKLCH	oklch(36.54% 0.109 265.3)
XYZ	xyz(5.5014, 4.6976, 18.0660)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A77 #775F22

analogous

#226477 #223A77 #352277

triadic

#223A77 #77223A #3A7722

tetradic

#223A77 #772264 #775F22 #227735

square

#223A77 #772264 #775F22 #227735

split-complementary

#223A77 #773522 #647722

monochromatic

#070C18 #142347 #223A77 #3051A7 #496DCB

Accessibility & contrast

On white

10.83

#223A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#223A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A77

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A77	#FFFFFF	#000000	##FFFFFF
##223A77	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184179

Deuteranopia (green-blind)

#013A76

Tritanopia (blue-blind)

#004852

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #223a77;
/* rgb */ color: rgb(34, 58, 119);
/* oklch */ color: oklch(36.5% 0.109 265.3);

Tailwind

colors: {
  custom: {
    50: '#686f9f',
    500: '#223a77',
    950: '#000000',
  },
}

SCSS

$custom: #223a77;
$custom-light: #686f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#223a77",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 119
  },
  "hsl": {
    "h": 223.059,
    "s": 55.556,
    "l": 30
  },
  "oklch": {
    "l": 0.3654,
    "c": 0.10861,
    "h": 265.3
  },
  "luminance": 0.04698
}

Semantic roles & 50–950 ramp

primary

#223A77

secondary

#AA8F4B

accent

#B549DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223A77

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

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