#223C74#223C74

#223C74 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.8% C 0.101 H 263.5°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#223C74
RGB	rgb(34, 60, 116)
HSL	hsl(221, 55%, 29%)
HSV	hsv(221, 71%, 45%)
CMYK	cmyk(70.7%, 48.3%, 0%, 54.5%)
CIE-LAB	lab(26.25, 10.42, -35.20)
CIE-LCH	lch(26.25, 36.71, 286.48°)
OKLab	oklab(36.78% -0.0115 -0.1007)
OKLCH	oklch(36.78% 0.101 263.5)
XYZ	xyz(5.4268, 4.8322, 17.1663)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C74 #745A22

analogous

#226574 #223C74 #312274

triadic

#223C74 #74223C #3C7422

tetradic

#223C74 #742265 #745A22 #227431

square

#223C74 #742265 #745A22 #227431

split-complementary

#223C74 #743122 #657422

monochromatic

#070C18 #142445 #223C74 #3054A3 #4770C9

Accessibility & contrast

On white

10.68

#223C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#223C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C74

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C74	#FFFFFF	#000000	##FFFFFF
##223C74	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204276

Deuteranopia (green-blind)

#0F3B73

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223c74;
/* rgb */ color: rgb(34, 60, 116);
/* oklch */ color: oklch(36.8% 0.101 263.5);

Tailwind

colors: {
  custom: {
    50: '#67719c',
    500: '#223c74',
    950: '#000000',
  },
}

SCSS

$custom: #223c74;
$custom-light: #67719c;
$custom-dark: #000000;

JSON

{
  "hex": "#223c74",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 116
  },
  "hsl": {
    "h": 220.976,
    "s": 54.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36776,
    "c": 0.10139,
    "h": 263.5
  },
  "luminance": 0.04833
}

Semantic roles & 50–950 ramp

primary

#223C74

secondary

#A78A4B

accent

#AF4ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223C74

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

Preview Lab → · Contrast checker → · Palette generator →