#223F8F#223F8F

#223F8F is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.137 H 265.4°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#223F8F
RGB	rgb(34, 63, 143)
HSL	hsl(224, 62%, 35%)
HSV	hsv(224, 76%, 56%)
CMYK	cmyk(76.2%, 55.9%, 0%, 43.9%)
CIE-LAB	lab(29.10, 19.04, -47.46)
CIE-LCH	lch(29.10, 51.14, 291.85°)
OKLab	oklab(39.57% -0.0109 -0.1368)
OKLCH	oklch(39.57% 0.137 265.4)
XYZ	xyz(7.3934, 5.8775, 26.7261)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F8F #8F7222

analogous

#22758F #223F8F #3C228F

triadic

#223F8F #8F223F #3F8F22

tetradic

#223F8F #8F2275 #8F7222 #228F3C

square

#223F8F #8F2275 #8F7222 #228F3C

split-complementary

#223F8F #8F3C22 #758F22

monochromatic

#0A132C #16295E #223F8F #2E55C0 #5577D7

Accessibility & contrast

On white

9.65

#223F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#223F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F8F

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F8F	#FFFFFF	#000000	##FFFFFF
##223F8F	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A92

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #223f8f;
/* rgb */ color: rgb(34, 63, 143);
/* oklch */ color: oklch(39.6% 0.137 265.4);

Tailwind

colors: {
  custom: {
    50: '#6e73b0',
    500: '#223f8f',
    950: '#000000',
  },
}

SCSS

$custom: #223f8f;
$custom-light: #6e73b0;
$custom-dark: #000000;

JSON

{
  "hex": "#223f8f",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 143
  },
  "hsl": {
    "h": 224.037,
    "s": 61.582,
    "l": 34.706
  },
  "oklch": {
    "l": 0.39571,
    "c": 0.13721,
    "h": 265.4
  },
  "luminance": 0.05878
}

Semantic roles & 50–950 ramp

primary

#223F8F

secondary

#BA9F52

accent

#BA43E5

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #223F8F

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

Preview Lab → · Contrast checker → · Palette generator →