#223C8A#223C8A

#223C8A is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.134 H 266.2°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#223C8A
RGB	rgb(34, 60, 138)
HSL	hsl(225, 60%, 34%)
HSV	hsv(225, 75%, 54%)
CMYK	cmyk(75.4%, 56.5%, 0%, 45.9%)
CIE-LAB	lab(27.86, 19.13, -46.39)
CIE-LCH	lch(27.86, 50.18, 292.41°)
OKLab	oklab(38.51% -0.0088 -0.1337)
OKLCH	oklch(38.51% 0.134 266.2)
XYZ	xyz(6.8614, 5.4060, 24.7217)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C8A #8A7022

analogous

#22708A #223C8A #3C228A

triadic

#223C8A #8A223C #3C8A22

tetradic

#223C8A #8A2270 #8A7022 #228A3C

square

#223C8A #8A2270 #8A7022 #228A3C

split-complementary

#223C8A #8A3C22 #708A22

monochromatic

#0A1128 #162759 #223C8A #2E51BB #5273D4

Accessibility & contrast

On white

10.09

#223C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#223C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C8A

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C8A	#FFFFFF	#000000	##FFFFFF
##223C8A	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478D

Deuteranopia (green-blind)

#003D88

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223c8a;
/* rgb */ color: rgb(34, 60, 138);
/* oklch */ color: oklch(38.5% 0.134 266.2);

Tailwind

colors: {
  custom: {
    50: '#6d71ad',
    500: '#223c8a',
    950: '#000000',
  },
}

SCSS

$custom: #223c8a;
$custom-light: #6d71ad;
$custom-dark: #000000;

JSON

{
  "hex": "#223c8a",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 138
  },
  "hsl": {
    "h": 225,
    "s": 60.465,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38513,
    "c": 0.13395,
    "h": 266.2
  },
  "luminance": 0.05407
}

Semantic roles & 50–950 ramp

primary

#223C8A

secondary

#B89E50

accent

#BC44E4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223C8A

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

Preview Lab → · Contrast checker → · Palette generator →