#223751#223751

#223751 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.054 H 254.4°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#223751
RGB	rgb(34, 55, 81)
HSL	hsl(213, 41%, 23%)
HSV	hsv(213, 58%, 32%)
CMYK	cmyk(58%, 32.1%, 0%, 68.2%)
CIE-LAB	lab(22.54, 0.41, -18.38)
CIE-LCH	lch(22.54, 18.38, 271.28°)
OKLab	oklab(33.21% -0.0144 -0.0516)
OKLCH	oklch(33.21% 0.054 254.4)
XYZ	xyz(3.5106, 3.6663, 8.3057)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223751 #513C22

analogous

#224F51 #223751 #242251

triadic

#223751 #512237 #375122

tetradic

#223751 #51224F #513C22 #225124

square

#223751 #51224F #513C22 #225124

split-complementary

#223751 #512422 #4F5122

monochromatic

#090F16 #101A26 #223751 #34547C #4672A7

Accessibility & contrast

On white

12.11

#223751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#223751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223751

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223751	#FFFFFF	#000000	##FFFFFF
##223751	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3852

Deuteranopia (green-blind)

#273450

Tritanopia (blue-blind)

#083D40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #223751;
/* rgb */ color: rgb(34, 55, 81);
/* oklch */ color: oklch(33.2% 0.054 254.4);

Tailwind

colors: {
  custom: {
    50: '#616d82',
    500: '#223751',
    950: '#000000',
  },
}

SCSS

$custom: #223751;
$custom-light: #616d82;
$custom-dark: #000000;

JSON

{
  "hex": "#223751",
  "rgb": {
    "r": 34,
    "g": 55,
    "b": 81
  },
  "hsl": {
    "h": 213.191,
    "s": 40.87,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33206,
    "c": 0.0536,
    "h": 254.4
  },
  "luminance": 0.03667
}

Semantic roles & 50–950 ramp

primary

#223751

secondary

#856B4A

accent

#9A57D1

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #223751

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

Preview Lab → · Contrast checker → · Palette generator →