#223B88#223B88

#223B88 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.132 H 266.5°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#223B88
RGB	rgb(34, 59, 136)
HSL	hsl(225, 60%, 33%)
HSV	hsv(225, 75%, 53%)
CMYK	cmyk(75%, 56.6%, 0%, 46.7%)
CIE-LAB	lab(27.42, 19.03, -45.86)
CIE-LCH	lch(27.42, 49.66, 292.54°)
OKLab	oklab(38.13% -0.0082 -0.1321)
OKLCH	oklch(38.13% 0.132 266.5)
XYZ	xyz(6.6660, 5.2449, 23.9488)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B88 #886F22

analogous

#226E88 #223B88 #3C2288

triadic

#223B88 #88223B #3B8822

tetradic

#223B88 #88226E #886F22 #22883C

square

#223B88 #88226E #886F22 #22883C

split-complementary

#223B88 #883C22 #6E8822

monochromatic

#0A1126 #162657 #223B88 #2E50B9 #5171D3

Accessibility & contrast

On white

10.25

#223B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#223B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B88

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B88	#FFFFFF	#000000	##FFFFFF
##223B88	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468B

Deuteranopia (green-blind)

#003C86

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #223b88;
/* rgb */ color: rgb(34, 59, 136);
/* oklch */ color: oklch(38.1% 0.132 266.5);

Tailwind

colors: {
  custom: {
    50: '#6c70ab',
    500: '#223b88',
    950: '#000000',
  },
}

SCSS

$custom: #223b88;
$custom-light: #6c70ab;
$custom-dark: #000000;

JSON

{
  "hex": "#223b88",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 136
  },
  "hsl": {
    "h": 225.294,
    "s": 60,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38132,
    "c": 0.13238,
    "h": 266.5
  },
  "luminance": 0.05246
}

Semantic roles & 50–950 ramp

primary

#223B88

secondary

#B79D4F

accent

#BC45E3

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223B88

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

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