#223F6E#223F6E

#223F6E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.088 H 259.6°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#223F6E
RGB	rgb(34, 63, 110)
HSL	hsl(217, 53%, 28%)
HSV	hsv(217, 69%, 43%)
CMYK	cmyk(69.1%, 42.7%, 0%, 56.9%)
CIE-LAB	lab(26.79, 5.98, -30.52)
CIE-LCH	lch(26.79, 31.10, 281.08°)
OKLab	oklab(37.07% -0.0159 -0.0869)
OKLCH	oklch(37.07% 0.088 259.6)
XYZ	xyz(5.2507, 5.0204, 15.4411)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F6E #6E5122

analogous

#22656E #223F6E #2B226E

triadic

#223F6E #6E223F #3F6E22

tetradic

#223F6E #6E2265 #6E5122 #226E2B

square

#223F6E #6E2265 #6E5122 #226E2B

split-complementary

#223F6E #6E2B22 #656E22

monochromatic

#070D17 #14243F #223F6E #305A9D #4576C5

Accessibility & contrast

On white

10.48

#223F6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#223F6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F6E

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F6E	#FFFFFF	#000000	##FFFFFF
##223F6E	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4370

Deuteranopia (green-blind)

#1E3C6D

Tritanopia (blue-blind)

#004A51

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223f6e;
/* rgb */ color: rgb(34, 63, 110);
/* oklch */ color: oklch(37.1% 0.088 259.6);

Tailwind

colors: {
  custom: {
    50: '#667398',
    500: '#223f6e',
    950: '#000000',
  },
}

SCSS

$custom: #223f6e;
$custom-light: #667398;
$custom-dark: #000000;

JSON

{
  "hex": "#223f6e",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 110
  },
  "hsl": {
    "h": 217.105,
    "s": 52.778,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37067,
    "c": 0.08839,
    "h": 259.6
  },
  "luminance": 0.05021
}

Semantic roles & 50–950 ramp

primary

#223F6E

secondary

#A1804A

accent

#A54CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #223F6E

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

Preview Lab → · Contrast checker → · Palette generator →