#223C7E#223C7E

#223C7E is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.116 H 265.1°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#223C7E
RGB	rgb(34, 60, 126)
HSL	hsl(223, 58%, 31%)
HSV	hsv(223, 73%, 49%)
CMYK	cmyk(73%, 52.4%, 0%, 50.6%)
CIE-LAB	lab(26.95, 14.38, -40.38)
CIE-LCH	lch(26.95, 42.86, 289.60°)
OKLab	oklab(37.54% -0.01 -0.116)
OKLCH	oklch(37.54% 0.116 265.1)
XYZ	xyz(6.0401, 5.0775, 20.3964)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C7E #7E6422

analogous

#226A7E #223C7E #36227E

triadic

#223C7E #7E223C #3C7E22

tetradic

#223C7E #7E226A #7E6422 #227E36

square

#223C7E #7E226A #7E6422 #227E36

split-complementary

#223C7E #7E3622 #6A7E22

monochromatic

#080E1E #15254E #223C7E #2F53AE #4C71CF

Accessibility & contrast

On white

10.42

#223C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#223C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C7E

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C7E	#FFFFFF	#000000	##FFFFFF
##223C7E	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154480

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223c7e;
/* rgb */ color: rgb(34, 60, 126);
/* oklch */ color: oklch(37.5% 0.116 265.1);

Tailwind

colors: {
  custom: {
    50: '#6a71a4',
    500: '#223c7e',
    950: '#000000',
  },
}

SCSS

$custom: #223c7e;
$custom-light: #6a71a4;
$custom-dark: #000000;

JSON

{
  "hex": "#223c7e",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 126
  },
  "hsl": {
    "h": 223.043,
    "s": 57.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37538,
    "c": 0.1164,
    "h": 265.1
  },
  "luminance": 0.05078
}

Semantic roles & 50–950 ramp

primary

#223C7E

secondary

#B1944B

accent

#B547E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223C7E

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

Preview Lab → · Contrast checker → · Palette generator →