#223F89#223F89

#223F89 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.129 H 264.9°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#223F89
RGB	rgb(34, 63, 137)
HSL	hsl(223, 60%, 34%)
HSV	hsv(223, 75%, 54%)
CMYK	cmyk(75.2%, 54%, 0%, 46.3%)
CIE-LAB	lab(28.64, 16.66, -44.50)
CIE-LCH	lch(28.64, 47.52, 290.53°)
OKLab	oklab(39.08% -0.0115 -0.1281)
OKLCH	oklch(39.08% 0.129 264.9)
XYZ	xyz(6.9510, 5.7005, 24.3960)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F89 #896C22

analogous

#227289 #223F89 #382289

triadic

#223F89 #89223F #3F8922

tetradic

#223F89 #892272 #896C22 #228938

square

#223F89 #892272 #896C22 #228938

split-complementary

#223F89 #893822 #728922

monochromatic

#0A1227 #162858 #223F89 #2E56BA #5176D4

Accessibility & contrast

On white

9.81

#223F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#223F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F89

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F89	#FFFFFF	#000000	##FFFFFF
##223F89	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B498C

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #223f89;
/* rgb */ color: rgb(34, 63, 137);
/* oklch */ color: oklch(39.1% 0.129 264.9);

Tailwind

colors: {
  custom: {
    50: '#6c73ac',
    500: '#223f89',
    950: '#000000',
  },
}

SCSS

$custom: #223f89;
$custom-light: #6c73ac;
$custom-dark: #000000;

JSON

{
  "hex": "#223f89",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 137
  },
  "hsl": {
    "h": 223.107,
    "s": 60.234,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3908,
    "c": 0.12857,
    "h": 264.9
  },
  "luminance": 0.05701
}

Semantic roles & 50–950 ramp

primary

#223F89

secondary

#B89A4F

accent

#B744E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #223F89

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

Preview Lab → · Contrast checker → · Palette generator →