#223D88#223D88

#223D88 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.130 H 265.6°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#223D88
RGB	rgb(34, 61, 136)
HSL	hsl(224, 60%, 33%)
HSV	hsv(224, 75%, 53%)
CMYK	cmyk(75%, 55.1%, 0%, 46.7%)
CIE-LAB	lab(27.99, 17.65, -44.94)
CIE-LCH	lch(27.99, 48.28, 291.44°)
OKLab	oklab(38.56% -0.0098 -0.1294)
OKLCH	oklch(38.56% 0.13 265.6)
XYZ	xyz(6.7708, 5.4544, 23.9838)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D88 #886D22

analogous

#227088 #223D88 #3A2288

triadic

#223D88 #88223D #3D8822

tetradic

#223D88 #882270 #886D22 #22883A

square

#223D88 #882270 #886D22 #22883A

split-complementary

#223D88 #883A22 #708822

monochromatic

#0A1126 #162757 #223D88 #2E53B9 #5173D3

Accessibility & contrast

On white

10.04

#223D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#223D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D88

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D88	#FFFFFF	#000000	##FFFFFF
##223D88	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04478B

Deuteranopia (green-blind)

#003E87

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223d88;
/* rgb */ color: rgb(34, 61, 136);
/* oklch */ color: oklch(38.6% 0.130 265.6);

Tailwind

colors: {
  custom: {
    50: '#6c72ab',
    500: '#223d88',
    950: '#000000',
  },
}

SCSS

$custom: #223d88;
$custom-light: #6c72ab;
$custom-dark: #000000;

JSON

{
  "hex": "#223d88",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 136
  },
  "hsl": {
    "h": 224.118,
    "s": 60,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38563,
    "c": 0.12975,
    "h": 265.6
  },
  "luminance": 0.05455
}

Semantic roles & 50–950 ramp

primary

#223D88

secondary

#B79B4F

accent

#B945E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #223D88

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

Preview Lab → · Contrast checker → · Palette generator →