#223B8A#223B8A

#223B8A is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.135 H 266.6°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#223B8A
RGB	rgb(34, 59, 138)
HSL	hsl(226, 60%, 34%)
HSV	hsv(226, 75%, 54%)
CMYK	cmyk(75.4%, 57.2%, 0%, 45.9%)
CIE-LAB	lab(27.58, 19.82, -46.85)
CIE-LCH	lch(27.58, 50.87, 292.94°)
OKLab	oklab(38.3% -0.008 -0.135)
OKLCH	oklch(38.3% 0.135 266.6)
XYZ	xyz(6.8095, 5.3023, 24.7044)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B8A #8A7122

analogous

#226F8A #223B8A #3D228A

triadic

#223B8A #8A223B #3B8A22

tetradic

#223B8A #8A226F #8A7122 #228A3D

square

#223B8A #8A226F #8A7122 #228A3D

split-complementary

#223B8A #8A3D22 #6F8A22

monochromatic

#0A1128 #162659 #223B8A #2E50BB #5271D4

Accessibility & contrast

On white

10.19

#223B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#223B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B8A

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B8A	#FFFFFF	#000000	##FFFFFF
##223B8A	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468D

Deuteranopia (green-blind)

#003D88

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #223b8a;
/* rgb */ color: rgb(34, 59, 138);
/* oklch */ color: oklch(38.3% 0.135 266.6);

Tailwind

colors: {
  custom: {
    50: '#6d70ad',
    500: '#223b8a',
    950: '#000000',
  },
}

SCSS

$custom: #223b8a;
$custom-light: #6d70ad;
$custom-dark: #000000;

JSON

{
  "hex": "#223b8a",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 138
  },
  "hsl": {
    "h": 225.577,
    "s": 60.465,
    "l": 33.725
  },
  "oklch": {
    "l": 0.383,
    "c": 0.13527,
    "h": 266.6
  },
  "luminance": 0.05303
}

Semantic roles & 50–950 ramp

primary

#223B8A

secondary

#B89F50

accent

#BD44E4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223B8A

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

Preview Lab → · Contrast checker → · Palette generator →