#223C7D#223C7D

#223C7D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.115 H 264.9°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#223C7D
RGB	rgb(34, 60, 125)
HSL	hsl(223, 57%, 31%)
HSV	hsv(223, 73%, 49%)
CMYK	cmyk(72.8%, 52%, 0%, 51%)
CIE-LAB	lab(26.88, 13.98, -39.86)
CIE-LCH	lch(26.88, 42.25, 289.33°)
OKLab	oklab(37.46% -0.0101 -0.1145)
OKLCH	oklch(37.46% 0.115 264.9)
XYZ	xyz(5.9759, 5.0519, 20.0582)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C7D #7D6322

analogous

#22697D #223C7D #35227D

triadic

#223C7D #7D223C #3C7D22

tetradic

#223C7D #7D2269 #7D6322 #227D35

square

#223C7D #7D2269 #7D6322 #227D35

split-complementary

#223C7D #7D3522 #697D22

monochromatic

#080E1D #15254D #223C7D #2F53AD #4B71CE

Accessibility & contrast

On white

10.45

#223C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#223C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C7D

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C7D	#FFFFFF	#000000	##FFFFFF
##223C7D	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16447F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223c7d;
/* rgb */ color: rgb(34, 60, 125);
/* oklch */ color: oklch(37.5% 0.115 264.9);

Tailwind

colors: {
  custom: {
    50: '#6a71a3',
    500: '#223c7d',
    950: '#000000',
  },
}

SCSS

$custom: #223c7d;
$custom-light: #6a71a3;
$custom-dark: #000000;

JSON

{
  "hex": "#223c7d",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 125
  },
  "hsl": {
    "h": 222.857,
    "s": 57.233,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3746,
    "c": 0.11492,
    "h": 264.9
  },
  "luminance": 0.05052
}

Semantic roles & 50–950 ramp

primary

#223C7D

secondary

#B0934B

accent

#B547E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223C7D

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

Preview Lab → · Contrast checker → · Palette generator →