#223D6E#223D6E

#223D6E is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.6% C 0.091 H 261.3°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#223D6E
RGB	rgb(34, 61, 110)
HSL	hsl(219, 53%, 28%)
HSV	hsv(219, 69%, 43%)
CMYK	cmyk(69.1%, 44.5%, 0%, 56.9%)
CIE-LAB	lab(26.17, 7.35, -31.52)
CIE-LCH	lch(26.17, 32.36, 283.14°)
OKLab	oklab(36.58% -0.0137 -0.0899)
OKLCH	oklch(36.58% 0.091 261.3)
XYZ	xyz(5.1419, 4.8029, 15.4049)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D6E #6E5322

analogous

#22636E #223D6E #2D226E

triadic

#223D6E #6E223D #3D6E22

tetradic

#223D6E #6E2263 #6E5322 #226E2D

square

#223D6E #6E2263 #6E5322 #226E2D

split-complementary

#223D6E #6E2D22 #636E22

monochromatic

#070D17 #14233F #223D6E #30579D #4573C5

Accessibility & contrast

On white

10.71

#223D6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#223D6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D6E

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D6E	#FFFFFF	#000000	##FFFFFF
##223D6E	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264270

Deuteranopia (green-blind)

#1A3B6D

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223d6e;
/* rgb */ color: rgb(34, 61, 110);
/* oklch */ color: oklch(36.6% 0.091 261.3);

Tailwind

colors: {
  custom: {
    50: '#667298',
    500: '#223d6e',
    950: '#000000',
  },
}

SCSS

$custom: #223d6e;
$custom-light: #667298;
$custom-dark: #000000;

JSON

{
  "hex": "#223d6e",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 110
  },
  "hsl": {
    "h": 218.684,
    "s": 52.778,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36582,
    "c": 0.09094,
    "h": 261.3
  },
  "luminance": 0.04803
}

Semantic roles & 50–950 ramp

primary

#223D6E

secondary

#A1834A

accent

#A94CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #223D6E

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

Preview Lab → · Contrast checker → · Palette generator →