#223A8A#223A8A

#223A8A is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.137 H 267.0°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#223A8A
RGB	rgb(34, 58, 138)
HSL	hsl(226, 60%, 34%)
HSV	hsv(226, 75%, 54%)
CMYK	cmyk(75.4%, 58%, 0%, 45.9%)
CIE-LAB	lab(27.30, 20.51, -47.30)
CIE-LCH	lch(27.30, 51.56, 293.45°)
OKLab	oklab(38.09% -0.0072 -0.1364)
OKLCH	oklch(38.09% 0.137 267)
XYZ	xyz(6.7586, 5.2005, 24.6874)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A8A #8A7222

analogous

#226E8A #223A8A #3E228A

triadic

#223A8A #8A223A #3A8A22

tetradic

#223A8A #8A226E #8A7222 #228A3E

square

#223A8A #8A226E #8A7222 #228A3E

split-complementary

#223A8A #8A3E22 #6E8A22

monochromatic

#0A1128 #162559 #223A8A #2E4FBB #5270D4

Accessibility & contrast

On white

10.29

#223A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#223A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A8A

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A8A	#FFFFFF	#000000	##FFFFFF
##223A8A	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223a8a;
/* rgb */ color: rgb(34, 58, 138);
/* oklch */ color: oklch(38.1% 0.137 267.0);

Tailwind

colors: {
  custom: {
    50: '#6d6fad',
    500: '#223a8a',
    950: '#000000',
  },
}

SCSS

$custom: #223a8a;
$custom-light: #6d6fad;
$custom-dark: #000000;

JSON

{
  "hex": "#223a8a",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 138
  },
  "hsl": {
    "h": 226.154,
    "s": 60.465,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38089,
    "c": 0.13658,
    "h": 267
  },
  "luminance": 0.05201
}

Semantic roles & 50–950 ramp

primary

#223A8A

secondary

#B8A050

accent

#BF44E4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223A8A

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

Preview Lab → · Contrast checker → · Palette generator →