#223A73#223A73

#223A73 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.103 H 264.6°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#223A73
RGB	rgb(34, 58, 115)
HSL	hsl(222, 54%, 29%)
HSV	hsv(222, 70%, 45%)
CMYK	cmyk(70.4%, 49.6%, 0%, 54.9%)
CIE-LAB	lab(25.57, 11.42, -35.65)
CIE-LCH	lch(25.57, 37.43, 287.76°)
OKLab	oklab(36.24% -0.0096 -0.1021)
OKLCH	oklch(36.24% 0.103 264.6)
XYZ	xyz(5.2662, 4.6035, 16.8274)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A73 #735B22

analogous

#226373 #223A73 #332273

triadic

#223A73 #73223A #3A7322

tetradic

#223A73 #732263 #735B22 #227333

square

#223A73 #732263 #735B22 #227333

split-complementary

#223A73 #733322 #637322

monochromatic

#070C18 #142244 #223A73 #3052A2 #476DC9

Accessibility & contrast

On white

10.93

#223A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#223A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A73

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A73	#FFFFFF	#000000	##FFFFFF
##223A73	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4175

Deuteranopia (green-blind)

#0B3972

Tritanopia (blue-blind)

#004751

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #223a73;
/* rgb */ color: rgb(34, 58, 115);
/* oklch */ color: oklch(36.2% 0.103 264.6);

Tailwind

colors: {
  custom: {
    50: '#676f9c',
    500: '#223a73',
    950: '#000000',
  },
}

SCSS

$custom: #223a73;
$custom-light: #676f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#223a73",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 115
  },
  "hsl": {
    "h": 222.222,
    "s": 54.362,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36235,
    "c": 0.10255,
    "h": 264.6
  },
  "luminance": 0.04604
}

Semantic roles & 50–950 ramp

primary

#223A73

secondary

#A68B4B

accent

#B24ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223A73

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

Preview Lab → · Contrast checker → · Palette generator →