#223B59#223B59

#223B59 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.061 H 253.9°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#223B59
RGB	rgb(34, 59, 89)
HSL	hsl(213, 45%, 24%)
HSV	hsv(213, 62%, 35%)
CMYK	cmyk(61.8%, 33.7%, 0%, 65.1%)
CIE-LAB	lab(24.29, 0.65, -20.91)
CIE-LCH	lch(24.29, 20.92, 271.78°)
OKLab	oklab(34.72% -0.017 -0.0589)
OKLCH	oklch(34.72% 0.061 253.9)
XYZ	xyz(4.0262, 4.1889, 10.0456)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B59 #594022

analogous

#225759 #223B59 #252259

triadic

#223B59 #59223B #3B5922

tetradic

#223B59 #592257 #594022 #225925

square

#223B59 #592257 #594022 #225925

split-complementary

#223B59 #592522 #575922

monochromatic

#080F16 #111E2D #223B59 #335885 #4476B2

Accessibility & contrast

On white

11.43

#223B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#223B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B59

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B59	#FFFFFF	#000000	##FFFFFF
##223B59	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3D5A

Deuteranopia (green-blind)

#273758

Tritanopia (blue-blind)

#004246

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #223b59;
/* rgb */ color: rgb(34, 59, 89);
/* oklch */ color: oklch(34.7% 0.061 253.9);

Tailwind

colors: {
  custom: {
    50: '#627088',
    500: '#223b59',
    950: '#000000',
  },
}

SCSS

$custom: #223b59;
$custom-light: #627088;
$custom-dark: #000000;

JSON

{
  "hex": "#223b59",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 89
  },
  "hsl": {
    "h": 212.727,
    "s": 44.715,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34717,
    "c": 0.06136,
    "h": 253.9
  },
  "luminance": 0.04189
}

Semantic roles & 50–950 ramp

primary

#223B59

secondary

#8D6E4A

accent

#9A53D4

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #223B59

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

Preview Lab → · Contrast checker → · Palette generator →