#223DA9#223DA9

#223DA9 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.176 H 267.1°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#223DA9
RGB	rgb(34, 61, 169)
HSL	hsl(228, 67%, 40%)
HSV	hsv(228, 80%, 66%)
CMYK	cmyk(79.9%, 63.9%, 0%, 33.7%)
CIE-LAB	lab(30.74, 30.48, -60.59)
CIE-LCH	lch(30.74, 67.82, 296.71°)
OKLab	oklab(41.47% -0.0089 -0.1753)
OKLCH	oklch(41.47% 0.176 267.1)
XYZ	xyz(9.4874, 6.5410, 38.2909)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223DA9 #A98E22

analogous

#2281A9 #223DA9 #4B22A9

triadic

#223DA9 #A9223D #3DA922

tetradic

#223DA9 #A92281 #A98E22 #22A94B

square

#223DA9 #A92281 #A98E22 #22A94B

split-complementary

#223DA9 #A94B22 #81A922

monochromatic

#0D1843 #182B76 #223DA9 #3253D6 #657EE0

Accessibility & contrast

On white

9.10

#223DA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#223DA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223DA9

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223DA9	#FFFFFF	#000000	##FFFFFF
##223DA9	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAC

Deuteranopia (green-blind)

#0042A7

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #223da9;
/* rgb */ color: rgb(34, 61, 169);
/* oklch */ color: oklch(41.5% 0.176 267.1);

Tailwind

colors: {
  custom: {
    50: '#7472c4',
    500: '#223da9',
    950: '#000000',
  },
}

SCSS

$custom: #223da9;
$custom-light: #7472c4;
$custom-dark: #000000;

JSON

{
  "hex": "#223da9",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 169
  },
  "hsl": {
    "h": 228,
    "s": 66.502,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4147,
    "c": 0.17555,
    "h": 267.1
  },
  "luminance": 0.06542
}

Semantic roles & 50–950 ramp

primary

#223DA9

secondary

#C5B161

accent

#C73EE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #223DA9

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

Preview Lab → · Contrast checker → · Palette generator →