#223DAF#223DAF

#223DAF is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.183 H 267.2°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#223DAF
RGB	rgb(34, 61, 175)
HSL	hsl(229, 67%, 41%)
HSV	hsv(229, 81%, 69%)
CMYK	cmyk(80.6%, 65.1%, 0%, 31.4%)
CIE-LAB	lab(31.28, 32.74, -63.29)
CIE-LCH	lch(31.28, 71.26, 297.36°)
OKLab	oklab(42.04% -0.0091 -0.1832)
OKLCH	oklch(42.04% 0.183 267.2)
XYZ	xyz(10.0636, 6.7715, 41.3258)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223DAF #AF9422

analogous

#2283AF #223DAF #4E22AF

triadic

#223DAF #AF223D #3DAF22

tetradic

#223DAF #AF2283 #AF9422 #22AF4E

square

#223DAF #AF2283 #AF9422 #22AF4E

split-complementary

#223DAF #AF4E22 #83AF22

monochromatic

#0E1949 #182B7C #223DAF #3655D8 #6981E2

Accessibility & contrast

On white

8.92

#223DAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#223DAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223DAF

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223DAF	#FFFFFF	#000000	##FFFFFF
##223DAF	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B3

Deuteranopia (green-blind)

#0043AD

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #223daf;
/* rgb */ color: rgb(34, 61, 175);
/* oklch */ color: oklch(42.0% 0.183 267.2);

Tailwind

colors: {
  custom: {
    50: '#7672c8',
    500: '#223daf',
    950: '#000000',
  },
}

SCSS

$custom: #223daf;
$custom-light: #7672c8;
$custom-dark: #000000;

JSON

{
  "hex": "#223daf",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 175
  },
  "hsl": {
    "h": 228.511,
    "s": 67.464,
    "l": 40.98
  },
  "oklch": {
    "l": 0.42036,
    "c": 0.18345,
    "h": 267.2
  },
  "luminance": 0.06773
}

Semantic roles & 50–950 ramp

primary

#223DAF

secondary

#C8B565

accent

#C93DEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #223DAF

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

Preview Lab → · Contrast checker → · Palette generator →