#223F84#223F84

#223F84 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.7% C 0.121 H 264.3°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#223F84
RGB	rgb(34, 63, 132)
HSL	hsl(222, 59%, 33%)
HSV	hsv(222, 74%, 52%)
CMYK	cmyk(74.2%, 52.3%, 0%, 48.2%)
CIE-LAB	lab(28.27, 14.68, -41.99)
CIE-LCH	lch(28.27, 44.49, 289.27°)
OKLab	oklab(38.68% -0.012 -0.1207)
OKLCH	oklch(38.68% 0.121 264.3)
XYZ	xyz(6.6006, 5.5603, 22.5507)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F84 #846722

analogous

#227084 #223F84 #362284

triadic

#223F84 #84223F #3F8422

tetradic

#223F84 #842270 #846722 #228436

square

#223F84 #842270 #846722 #228436

split-complementary

#223F84 #843622 #708422

monochromatic

#091123 #152853 #223F84 #2F56B5 #4F76D2

Accessibility & contrast

On white

9.94

#223F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#223F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F84

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F84	#FFFFFF	#000000	##FFFFFF
##223F84	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154786

Deuteranopia (green-blind)

#003E83

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #223f84;
/* rgb */ color: rgb(34, 63, 132);
/* oklch */ color: oklch(38.7% 0.121 264.3);

Tailwind

colors: {
  custom: {
    50: '#6b73a8',
    500: '#223f84',
    950: '#000000',
  },
}

SCSS

$custom: #223f84;
$custom-light: #6b73a8;
$custom-dark: #000000;

JSON

{
  "hex": "#223f84",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 132
  },
  "hsl": {
    "h": 222.245,
    "s": 59.036,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38683,
    "c": 0.12128,
    "h": 264.3
  },
  "luminance": 0.05561
}

Semantic roles & 50–950 ramp

primary

#223F84

secondary

#B5964D

accent

#B446E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #223F84

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

Preview Lab → · Contrast checker → · Palette generator →