#223D8E#223D8E

#223D8E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.138 H 266.1°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#223D8E
RGB	rgb(34, 61, 142)
HSL	hsl(225, 61%, 35%)
HSV	hsv(225, 76%, 56%)
CMYK	cmyk(76.1%, 57%, 0%, 44.3%)
CIE-LAB	lab(28.46, 20.02, -47.89)
CIE-LCH	lch(28.46, 51.91, 292.69°)
OKLab	oklab(39.06% -0.0094 -0.1381)
OKLCH	oklch(39.06% 0.138 266.1)
XYZ	xyz(7.2092, 5.6298, 26.2927)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D8E #8E7322

analogous

#22738E #223D8E #3D228E

triadic

#223D8E #8E223D #3D8E22

tetradic

#223D8E #8E2273 #8E7322 #228E3D

square

#223D8E #8E2273 #8E7322 #228E3D

split-complementary

#223D8E #8E3D22 #738E22

monochromatic

#0A132B #16285D #223D8E #2E52BF #5475D6

Accessibility & contrast

On white

9.88

#223D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#223D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D8E

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D8E	#FFFFFF	#000000	##FFFFFF
##223D8E	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004891

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #223d8e;
/* rgb */ color: rgb(34, 61, 142);
/* oklch */ color: oklch(39.1% 0.138 266.1);

Tailwind

colors: {
  custom: {
    50: '#6e72b0',
    500: '#223d8e',
    950: '#000000',
  },
}

SCSS

$custom: #223d8e;
$custom-light: #6e72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#223d8e",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 142
  },
  "hsl": {
    "h": 225,
    "s": 61.364,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39062,
    "c": 0.13838,
    "h": 266.1
  },
  "luminance": 0.05631
}

Semantic roles & 50–950 ramp

primary

#223D8E

secondary

#BAA052

accent

#BC43E4

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223D8E

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

Preview Lab → · Contrast checker → · Palette generator →