#223B4E#223B4E

#223B4E is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.046 H 242.5°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#223B4E
RGB	rgb(34, 59, 78)
HSL	hsl(206, 39%, 22%)
HSV	hsv(206, 56%, 31%)
CMYK	cmyk(56.4%, 24.4%, 0%, 69.4%)
CIE-LAB	lab(23.73, -3.36, -14.53)
CIE-LCH	lch(23.73, 14.92, 256.98°)
OKLab	oklab(34.1% -0.0211 -0.0405)
OKLCH	oklch(34.1% 0.046 242.5)
XYZ	xyz(3.5983, 4.0178, 7.7921)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B4E #4E3522

analogous

#224E4B #223B4E #22254E

triadic

#223B4E #4E223B #3B4E22

tetradic

#223B4E #4B224E #4E3522 #254E22

square

#223B4E #4B224E #4E3522 #254E22

split-complementary

#223B4E #4E2225 #4E4B22

monochromatic

#091015 #0F1B23 #223B4E #355B79 #477BA3

Accessibility & contrast

On white

11.64

#223B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#223B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B4E

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B4E	#FFFFFF	#000000	##FFFFFF
##223B4E	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4F

Deuteranopia (green-blind)

#2D364E

Tritanopia (blue-blind)

#0A4041

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #223b4e;
/* rgb */ color: rgb(34, 59, 78);
/* oklch */ color: oklch(34.1% 0.046 242.5);

Tailwind

colors: {
  custom: {
    50: '#60707f',
    500: '#223b4e',
    950: '#000000',
  },
}

SCSS

$custom: #223b4e;
$custom-light: #60707f;
$custom-dark: #000000;

JSON

{
  "hex": "#223b4e",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 205.909,
    "s": 39.286,
    "l": 21.961
  },
  "oklch": {
    "l": 0.34097,
    "c": 0.04569,
    "h": 242.5
  },
  "luminance": 0.04018
}

Semantic roles & 50–950 ramp

primary

#223B4E

secondary

#82624A

accent

#8C59CF

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #223B4E

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

Preview Lab → · Contrast checker → · Palette generator →