#223BA9#223BA9

#223BA9 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.178 H 267.5°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#223BA9
RGB	rgb(34, 59, 169)
HSL	hsl(229, 67%, 40%)
HSV	hsv(229, 80%, 66%)
CMYK	cmyk(79.9%, 65.1%, 0%, 33.7%)
CIE-LAB	lab(30.23, 31.80, -61.41)
CIE-LCH	lch(30.23, 69.16, 297.37°)
OKLab	oklab(41.1% -0.0078 -0.1778)
OKLCH	oklch(41.1% 0.178 267.5)
XYZ	xyz(9.3826, 6.3315, 38.2560)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223BA9 #A99022

analogous

#227EA9 #223BA9 #4D22A9

triadic

#223BA9 #A9223B #3BA922

tetradic

#223BA9 #A9227E #A99022 #22A94D

square

#223BA9 #A9227E #A99022 #22A94D

split-complementary

#223BA9 #A94D22 #7EA922

monochromatic

#0D1743 #182976 #223BA9 #3251D6 #657CE0

Accessibility & contrast

On white

9.26

#223BA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#223BA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223BA9

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223BA9	#FFFFFF	#000000	##FFFFFF
##223BA9	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAD

Deuteranopia (green-blind)

#0041A7

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #223ba9;
/* rgb */ color: rgb(34, 59, 169);
/* oklch */ color: oklch(41.1% 0.178 267.5);

Tailwind

colors: {
  custom: {
    50: '#7570c4',
    500: '#223ba9',
    950: '#000000',
  },
}

SCSS

$custom: #223ba9;
$custom-light: #7570c4;
$custom-dark: #000000;

JSON

{
  "hex": "#223ba9",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 169
  },
  "hsl": {
    "h": 228.889,
    "s": 66.502,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41098,
    "c": 0.17793,
    "h": 267.5
  },
  "luminance": 0.06333
}

Semantic roles & 50–950 ramp

primary

#223BA9

secondary

#C5B361

accent

#CA3EE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #223BA9

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

Preview Lab → · Contrast checker → · Palette generator →