#223E9B#223E9B

#223E9B is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.155 H 266.5°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#223E9B
RGB	rgb(34, 62, 155)
HSL	hsl(226, 64%, 37%)
HSV	hsv(226, 78%, 61%)
CMYK	cmyk(78.1%, 60%, 0%, 39.2%)
CIE-LAB	lab(29.79, 24.43, -53.68)
CIE-LCH	lch(29.79, 58.98, 294.47°)
OKLab	oklab(40.39% -0.0096 -0.1551)
OKLCH	oklch(40.39% 0.155 266.5)
XYZ	xyz(8.2966, 6.1510, 31.7540)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223E9B #9B7F22

analogous

#227A9B #223E9B #43229B

triadic

#223E9B #9B223E #3E9B22

tetradic

#223E9B #9B227A #9B7F22 #229B43

square

#223E9B #9B227A #9B7F22 #229B43

split-complementary

#223E9B #9B4322 #7A9B22

monochromatic

#0C1637 #172A69 #223E9B #2D52CD #5C7ADB

Accessibility & contrast

On white

9.42

#223E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#223E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223E9B

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223E9B	#FFFFFF	#000000	##FFFFFF
##223E9B	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9E

Deuteranopia (green-blind)

#004199

Tritanopia (blue-blind)

#005666

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #223e9b;
/* rgb */ color: rgb(34, 62, 155);
/* oklch */ color: oklch(40.4% 0.155 266.5);

Tailwind

colors: {
  custom: {
    50: '#7172b9',
    500: '#223e9b',
    950: '#000000',
  },
}

SCSS

$custom: #223e9b;
$custom-light: #7172b9;
$custom-dark: #000000;

JSON

{
  "hex": "#223e9b",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 155
  },
  "hsl": {
    "h": 226.116,
    "s": 64.021,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40391,
    "c": 0.15536,
    "h": 266.5
  },
  "luminance": 0.06152
}

Semantic roles & 50–950 ramp

primary

#223E9B

secondary

#C0A859

accent

#C141E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #223E9B

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

Preview Lab → · Contrast checker → · Palette generator →