#223B80#223B80

#223B80 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.5% C 0.121 H 265.8°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#223B80
RGB	rgb(34, 59, 128)
HSL	hsl(224, 58%, 32%)
HSV	hsv(224, 73%, 50%)
CMYK	cmyk(73.4%, 53.9%, 0%, 49.8%)
CIE-LAB	lab(26.81, 15.87, -41.87)
CIE-LCH	lch(26.81, 44.77, 290.76°)
OKLab	oklab(37.47% -0.0088 -0.1204)
OKLCH	oklch(37.47% 0.121 265.8)
XYZ	xyz(6.1186, 5.0259, 21.0655)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B80 #806722

analogous

#226A80 #223B80 #382280

triadic

#223B80 #80223B #3B8022

tetradic

#223B80 #80226A #806722 #228038

square

#223B80 #80226A #806722 #228038

split-complementary

#223B80 #803822 #6A8022

monochromatic

#080E1F #152550 #223B80 #2F51B0 #4D70D0

Accessibility & contrast

On white

10.47

#223B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#223B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B80

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B80	#FFFFFF	#000000	##FFFFFF
##223B80	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4482

Deuteranopia (green-blind)

#003B7F

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223b80;
/* rgb */ color: rgb(34, 59, 128);
/* oklch */ color: oklch(37.5% 0.121 265.8);

Tailwind

colors: {
  custom: {
    50: '#6a70a5',
    500: '#223b80',
    950: '#000000',
  },
}

SCSS

$custom: #223b80;
$custom-light: #6a70a5;
$custom-dark: #000000;

JSON

{
  "hex": "#223b80",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 128
  },
  "hsl": {
    "h": 224.043,
    "s": 58.025,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37474,
    "c": 0.1207,
    "h": 265.8
  },
  "luminance": 0.05027
}

Semantic roles & 50–950 ramp

primary

#223B80

secondary

#B2974B

accent

#B847E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223B80

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

Preview Lab → · Contrast checker → · Palette generator →