#223B60#223B60

#223B60 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.2% C 0.072 H 258.0°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#223B60
RGB	rgb(34, 59, 96)
HSL	hsl(216, 48%, 25%)
HSV	hsv(216, 65%, 38%)
CMYK	cmyk(64.6%, 38.5%, 0%, 62.4%)
CIE-LAB	lab(24.68, 3.30, -24.86)
CIE-LCH	lch(24.68, 25.08, 277.55°)
OKLab	oklab(35.15% -0.0149 -0.0704)
OKLCH	oklch(35.15% 0.072 258)
XYZ	xyz(4.3342, 4.3122, 11.6680)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B60 #604722

analogous

#225A60 #223B60 #282260

triadic

#223B60 #60223B #3B6022

tetradic

#223B60 #60225A #604722 #226028

square

#223B60 #60225A #604722 #226028

split-complementary

#223B60 #602822 #5A6022

monochromatic

#080E17 #121F33 #223B60 #32578D #4273BA

Accessibility & contrast

On white

11.27

#223B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#223B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B60

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B60	#FFFFFF	#000000	##FFFFFF
##223B60	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3E62

Deuteranopia (green-blind)

#23385F

Tritanopia (blue-blind)

#004349

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #223b60;
/* rgb */ color: rgb(34, 59, 96);
/* oklch */ color: oklch(35.2% 0.072 258.0);

Tailwind

colors: {
  custom: {
    50: '#63708d',
    500: '#223b60',
    950: '#000000',
  },
}

SCSS

$custom: #223b60;
$custom-light: #63708d;
$custom-dark: #000000;

JSON

{
  "hex": "#223b60",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 96
  },
  "hsl": {
    "h": 215.806,
    "s": 47.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35151,
    "c": 0.072,
    "h": 258
  },
  "luminance": 0.04313
}

Semantic roles & 50–950 ramp

primary

#223B60

secondary

#94764A

accent

#A151D7

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #223B60

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

Preview Lab → · Contrast checker → · Palette generator →