#223C75#223C75

#223C75 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.103 H 263.7°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#223C75
RGB	rgb(34, 60, 117)
HSL	hsl(221, 55%, 30%)
HSV	hsv(221, 71%, 46%)
CMYK	cmyk(70.9%, 48.7%, 0%, 54.1%)
CIE-LAB	lab(26.32, 10.81, -35.72)
CIE-LCH	lch(26.32, 37.32, 286.84°)
OKLab	oklab(36.85% -0.0113 -0.1023)
OKLCH	oklch(36.85% 0.103 263.7)
XYZ	xyz(5.4853, 4.8556, 17.4743)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C75 #755B22

analogous

#226675 #223C75 #322275

triadic

#223C75 #75223C #3C7522

tetradic

#223C75 #752266 #755B22 #227532

square

#223C75 #752266 #755B22 #227532

split-complementary

#223C75 #753222 #667522

monochromatic

#070C18 #142446 #223C75 #3054A4 #4870CA

Accessibility & contrast

On white

10.65

#223C75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#223C75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C75

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C75	#FFFFFF	#000000	##FFFFFF
##223C75	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4277

Deuteranopia (green-blind)

#0E3B74

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223c75;
/* rgb */ color: rgb(34, 60, 117);
/* oklch */ color: oklch(36.9% 0.103 263.7);

Tailwind

colors: {
  custom: {
    50: '#68719d',
    500: '#223c75',
    950: '#000000',
  },
}

SCSS

$custom: #223c75;
$custom-light: #68719d;
$custom-dark: #000000;

JSON

{
  "hex": "#223c75",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 117
  },
  "hsl": {
    "h": 221.205,
    "s": 54.967,
    "l": 29.608
  },
  "oklch": {
    "l": 0.3685,
    "c": 0.1029,
    "h": 263.7
  },
  "luminance": 0.04856
}

Semantic roles & 50–950 ramp

primary

#223C75

secondary

#A88B4B

accent

#B049DE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223C75

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

Preview Lab → · Contrast checker → · Palette generator →