#223D4E#223D4E

#223D4E is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.044 H 237.6°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#223D4E
RGB	rgb(34, 61, 78)
HSL	hsl(203, 39%, 22%)
HSV	hsv(203, 56%, 31%)
CMYK	cmyk(56.4%, 21.8%, 0%, 69.4%)
CIE-LAB	lab(24.41, -4.67, -13.49)
CIE-LCH	lch(24.41, 14.28, 250.89°)
OKLab	oklab(34.63% -0.0238 -0.0375)
OKLCH	oklch(34.63% 0.044 237.6)
XYZ	xyz(3.7031, 4.2273, 7.8271)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D4E #4E3322

analogous

#224E49 #223D4E #22274E

triadic

#223D4E #4E223D #3D4E22

tetradic

#223D4E #49224E #4E3322 #274E22

square

#223D4E #49224E #4E3322 #274E22

split-complementary

#223D4E #4E2227 #4E4922

monochromatic

#091115 #0F1C23 #223D4E #355E79 #4780A3

Accessibility & contrast

On white

11.38

#223D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#223D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D4E

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D4E	#FFFFFF	#000000	##FFFFFF
##223D4E	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D4F

Deuteranopia (green-blind)

#2F384E

Tritanopia (blue-blind)

#094143

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #223d4e;
/* rgb */ color: rgb(34, 61, 78);
/* oklch */ color: oklch(34.6% 0.044 237.6);

Tailwind

colors: {
  custom: {
    50: '#61727f',
    500: '#223d4e',
    950: '#000000',
  },
}

SCSS

$custom: #223d4e;
$custom-light: #61727f;
$custom-dark: #000000;

JSON

{
  "hex": "#223d4e",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 203.182,
    "s": 39.286,
    "l": 21.961
  },
  "oklch": {
    "l": 0.34634,
    "c": 0.04448,
    "h": 237.6
  },
  "luminance": 0.04228
}

Semantic roles & 50–950 ramp

primary

#223D4E

secondary

#82604A

accent

#8659CF

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #223D4E

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

Preview Lab → · Contrast checker → · Palette generator →