#223A7D#223A7D

#223A7D is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.0% C 0.118 H 266.0°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#223A7D
RGB	rgb(34, 58, 125)
HSL	hsl(224, 57%, 31%)
HSV	hsv(224, 73%, 49%)
CMYK	cmyk(72.8%, 53.6%, 0%, 51%)
CIE-LAB	lab(26.29, 15.38, -40.82)
CIE-LCH	lch(26.29, 43.62, 290.64°)
OKLab	oklab(37.01% -0.0082 -0.1173)
OKLCH	oklch(37.01% 0.118 266)
XYZ	xyz(5.8731, 4.8463, 20.0240)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A7D #7D6522

analogous

#22677D #223A7D #37227D

triadic

#223A7D #7D223A #3A7D22

tetradic

#223A7D #7D2267 #7D6522 #227D37

square

#223A7D #7D2267 #7D6522 #227D37

split-complementary

#223A7D #7D3722 #677D22

monochromatic

#080D1D #15244D #223A7D #2F50AD #4B6ECE

Accessibility & contrast

On white

10.66

#223A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#223A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A7D

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A7D	#FFFFFF	#000000	##FFFFFF
##223A7D	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F437F

Deuteranopia (green-blind)

#003A7C

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223a7d;
/* rgb */ color: rgb(34, 58, 125);
/* oklch */ color: oklch(37.0% 0.118 266.0);

Tailwind

colors: {
  custom: {
    50: '#6a6fa3',
    500: '#223a7d',
    950: '#000000',
  },
}

SCSS

$custom: #223a7d;
$custom-light: #6a6fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#223a7d",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 125
  },
  "hsl": {
    "h": 224.176,
    "s": 57.233,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37012,
    "c": 0.1176,
    "h": 266
  },
  "luminance": 0.04847
}

Semantic roles & 50–950 ramp

primary

#223A7D

secondary

#B0954B

accent

#B847E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223A7D

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

Preview Lab → · Contrast checker → · Palette generator →