#223BAF#223BAF

#223BAF is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.186 H 267.5°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#223BAF
RGB	rgb(34, 59, 175)
HSL	hsl(229, 67%, 41%)
HSV	hsv(229, 81%, 69%)
CMYK	cmyk(80.6%, 66.3%, 0%, 31.4%)
CIE-LAB	lab(30.79, 34.04, -64.09)
CIE-LCH	lch(30.79, 72.58, 297.98°)
OKLab	oklab(41.68% -0.008 -0.1856)
OKLCH	oklch(41.68% 0.186 267.5)
XYZ	xyz(9.9588, 6.5620, 41.2908)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223BAF #AF9622

analogous

#2281AF #223BAF #4F22AF

triadic

#223BAF #AF223B #3BAF22

tetradic

#223BAF #AF2281 #AF9622 #22AF4F

square

#223BAF #AF2281 #AF9622 #22AF4F

split-complementary

#223BAF #AF4F22 #81AF22

monochromatic

#0E1849 #182A7C #223BAF #3653D8 #697FE2

Accessibility & contrast

On white

9.08

#223BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#223BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223BAF

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223BAF	#FFFFFF	#000000	##FFFFFF
##223BAF	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB3

Deuteranopia (green-blind)

#0042AD

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #223baf;
/* rgb */ color: rgb(34, 59, 175);
/* oklch */ color: oklch(41.7% 0.186 267.5);

Tailwind

colors: {
  custom: {
    50: '#7671c8',
    500: '#223baf',
    950: '#000000',
  },
}

SCSS

$custom: #223baf;
$custom-light: #7671c8;
$custom-dark: #000000;

JSON

{
  "hex": "#223baf",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 175
  },
  "hsl": {
    "h": 229.362,
    "s": 67.464,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41675,
    "c": 0.18577,
    "h": 267.5
  },
  "luminance": 0.06563
}

Semantic roles & 50–950 ramp

primary

#223BAF

secondary

#C8B665

accent

#CC3DEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #223BAF

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

Preview Lab → · Contrast checker → · Palette generator →