#223C88#223C88

#223C88 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.131 H 266.1°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#223C88
RGB	rgb(34, 60, 136)
HSL	hsl(225, 60%, 33%)
HSV	hsv(225, 75%, 53%)
CMYK	cmyk(75%, 55.9%, 0%, 46.7%)
CIE-LAB	lab(27.71, 18.34, -45.40)
CIE-LCH	lch(27.71, 48.97, 292.00°)
OKLab	oklab(38.35% -0.009 -0.1308)
OKLCH	oklch(38.35% 0.131 266.1)
XYZ	xyz(6.7179, 5.3487, 23.9661)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C88 #886E22

analogous

#226F88 #223C88 #3B2288

triadic

#223C88 #88223C #3C8822

tetradic

#223C88 #88226F #886E22 #22883B

square

#223C88 #88226F #886E22 #22883B

split-complementary

#223C88 #883B22 #6F8822

monochromatic

#0A1126 #162657 #223C88 #2E52B9 #5172D3

Accessibility & contrast

On white

10.15

#223C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#223C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C88

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C88	#FFFFFF	#000000	##FFFFFF
##223C88	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468B

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #223c88;
/* rgb */ color: rgb(34, 60, 136);
/* oklch */ color: oklch(38.3% 0.131 266.1);

Tailwind

colors: {
  custom: {
    50: '#6c71ab',
    500: '#223c88',
    950: '#000000',
  },
}

SCSS

$custom: #223c88;
$custom-light: #6c71ab;
$custom-dark: #000000;

JSON

{
  "hex": "#223c88",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 136
  },
  "hsl": {
    "h": 224.706,
    "s": 60,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38346,
    "c": 0.13107,
    "h": 266.1
  },
  "luminance": 0.05349
}

Semantic roles & 50–950 ramp

primary

#223C88

secondary

#B79C4F

accent

#BB45E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #223C88

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

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