#223D72#223D72

#223D72 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.097 H 262.4°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#223D72
RGB	rgb(34, 61, 114)
HSL	hsl(220, 54%, 29%)
HSV	hsv(220, 70%, 45%)
CMYK	cmyk(70.2%, 46.5%, 0%, 55.3%)
CIE-LAB	lab(26.42, 8.93, -33.65)
CIE-LCH	lch(26.42, 34.81, 284.86°)
OKLab	oklab(36.87% -0.0129 -0.0962)
OKLCH	oklch(36.87% 0.097 262.4)
XYZ	xyz(5.3646, 4.8919, 16.5778)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D72 #725722

analogous

#226572 #223D72 #2F2272

triadic

#223D72 #72223D #3D7222

tetradic

#223D72 #722265 #725722 #22722F

square

#223D72 #722265 #725722 #22722F

split-complementary

#223D72 #722F22 #657222

monochromatic

#070D18 #142443 #223D72 #3056A1 #4672C8

Accessibility & contrast

On white

10.61

#223D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#223D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D72

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D72	#FFFFFF	#000000	##FFFFFF
##223D72	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234274

Deuteranopia (green-blind)

#153B71

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223d72;
/* rgb */ color: rgb(34, 61, 114);
/* oklch */ color: oklch(36.9% 0.097 262.4);

Tailwind

colors: {
  custom: {
    50: '#67729b',
    500: '#223d72',
    950: '#000000',
  },
}

SCSS

$custom: #223d72;
$custom-light: #67729b;
$custom-dark: #000000;

JSON

{
  "hex": "#223d72",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 114
  },
  "hsl": {
    "h": 219.75,
    "s": 54.054,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36866,
    "c": 0.09703,
    "h": 262.4
  },
  "luminance": 0.04892
}

Semantic roles & 50–950 ramp

primary

#223D72

secondary

#A5874B

accent

#AC4ADD

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #223D72

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

Preview Lab → · Contrast checker → · Palette generator →