#223D5D#223D5D

#223D5D is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.065 H 253.7°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#223D5D
RGB	rgb(34, 61, 93)
HSL	hsl(213, 46%, 25%)
HSV	hsv(213, 63%, 36%)
CMYK	cmyk(63.4%, 34.4%, 0%, 63.5%)
CIE-LAB	lab(25.16, 0.79, -22.15)
CIE-LCH	lch(25.16, 22.17, 272.05°)
OKLab	oklab(35.47% -0.0183 -0.0625)
OKLCH	oklch(35.47% 0.065 253.7)
XYZ	xyz(4.3035, 4.4675, 10.9893)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D5D #5D4222

analogous

#225B5D #223D5D #24225D

triadic

#223D5D #5D223D #3D5D22

tetradic

#223D5D #5D225B #5D4222 #225D24

square

#223D5D #5D225B #5D4222 #225D24

split-complementary

#223D5D #5D2422 #5B5D22

monochromatic

#080F16 #122030 #223D5D #325A8A #4378B7

Accessibility & contrast

On white

11.09

#223D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#223D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D5D

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D5D	#FFFFFF	#000000	##FFFFFF
##223D5D	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303F5E

Deuteranopia (green-blind)

#28395C

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #223d5d;
/* rgb */ color: rgb(34, 61, 93);
/* oklch */ color: oklch(35.5% 0.065 253.7);

Tailwind

colors: {
  custom: {
    50: '#63728b',
    500: '#223d5d',
    950: '#000000',
  },
}

SCSS

$custom: #223d5d;
$custom-light: #63728b;
$custom-dark: #000000;

JSON

{
  "hex": "#223d5d",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 93
  },
  "hsl": {
    "h": 212.542,
    "s": 46.457,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35473,
    "c": 0.06515,
    "h": 253.7
  },
  "luminance": 0.04468
}

Semantic roles & 50–950 ramp

primary

#223D5D

secondary

#91704A

accent

#9A52D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#05070C

muted

#7A7A7D

Preview Lab

Preview with #223D5D

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

Preview Lab → · Contrast checker → · Palette generator →