#223EB1#223EB1

#223EB1 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.185 H 267.0°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#223EB1
RGB	rgb(34, 62, 177)
HSL	hsl(228, 68%, 41%)
HSV	hsv(228, 81%, 69%)
CMYK	cmyk(80.8%, 65%, 0%, 30.6%)
CIE-LAB	lab(31.71, 32.84, -63.77)
CIE-LCH	lch(31.71, 71.73, 297.25°)
OKLab	oklab(42.41% -0.0097 -0.1846)
OKLCH	oklch(42.41% 0.185 267)
XYZ	xyz(10.3154, 6.9584, 42.3859)
Luminance	0.0696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223EB1 #B19522

analogous

#2286B1 #223EB1 #4E22B1

triadic

#223EB1 #B1223E #3EB122

tetradic

#223EB1 #B12286 #B19522 #22B14E

square

#223EB1 #B12286 #B19522 #22B14E

split-complementary

#223EB1 #B14E22 #86B122

monochromatic

#0E1A4A #182C7E #223EB1 #3857D9 #6B82E3

Accessibility & contrast

On white

8.78

#223EB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#223EB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223EB1

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223EB1	#FFFFFF	#000000	##FFFFFF
##223EB1	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B5

Deuteranopia (green-blind)

#0044AF

Tritanopia (blue-blind)

#005D72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #223eb1;
/* rgb */ color: rgb(34, 62, 177);
/* oklch */ color: oklch(42.4% 0.185 267.0);

Tailwind

colors: {
  custom: {
    50: '#7673c9',
    500: '#223eb1',
    950: '#000000',
  },
}

SCSS

$custom: #223eb1;
$custom-light: #7673c9;
$custom-dark: #000000;

JSON

{
  "hex": "#223eb1",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 177
  },
  "hsl": {
    "h": 228.252,
    "s": 67.773,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42409,
    "c": 0.18487,
    "h": 267
  },
  "luminance": 0.0696
}

Semantic roles & 50–950 ramp

primary

#223EB1

secondary

#C9B566

accent

#C93DEB

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #223EB1

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

Preview Lab → · Contrast checker → · Palette generator →