#223B8D#223B8D

#223B8D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.140 H 266.8°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#223B8D
RGB	rgb(34, 59, 141)
HSL	hsl(226, 61%, 34%)
HSV	hsv(226, 76%, 55%)
CMYK	cmyk(75.9%, 58.2%, 0%, 44.7%)
CIE-LAB	lab(27.82, 21.00, -48.31)
CIE-LCH	lch(27.82, 52.68, 293.50°)
OKLab	oklab(38.56% -0.0079 -0.1393)
OKLCH	oklch(38.56% 0.14 266.8)
XYZ	xyz(7.0297, 5.3903, 25.8641)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B8D #8D7422

analogous

#22718D #223B8D #3E228D

triadic

#223B8D #8D223B #3B8D22

tetradic

#223B8D #8D2271 #8D7422 #228D3E

square

#223B8D #8D2271 #8D7422 #228D3E

split-complementary

#223B8D #8D3E22 #718D22

monochromatic

#0A122A #16265C #223B8D #2E50BE #5472D6

Accessibility & contrast

On white

10.10

#223B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#223B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B8D

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B8D	#FFFFFF	#000000	##FFFFFF
##223B8D	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004790

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223b8d;
/* rgb */ color: rgb(34, 59, 141);
/* oklch */ color: oklch(38.6% 0.140 266.8);

Tailwind

colors: {
  custom: {
    50: '#6d70af',
    500: '#223b8d',
    950: '#000000',
  },
}

SCSS

$custom: #223b8d;
$custom-light: #6d70af;
$custom-dark: #000000;

JSON

{
  "hex": "#223b8d",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 141
  },
  "hsl": {
    "h": 225.981,
    "s": 61.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38556,
    "c": 0.13956,
    "h": 266.8
  },
  "luminance": 0.05391
}

Semantic roles & 50–950 ramp

primary

#223B8D

secondary

#B9A151

accent

#BF44E4

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223B8D

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

Preview Lab → · Contrast checker → · Palette generator →