#305366#305366

#305366 is a dark, muted cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.051 H 233.5°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#305366
RGB	rgb(48, 83, 102)
HSL	hsl(201, 36%, 29%)
HSV	hsv(201, 53%, 40%)
CMYK	cmyk(52.9%, 18.6%, 0%, 60%)
CIE-LAB	lab(33.51, -6.75, -14.90)
CIE-LCH	lch(33.51, 16.36, 245.63°)
OKLab	oklab(42.4% -0.0306 -0.0414)
OKLCH	oklch(42.4% 0.051 233.5)
XYZ	xyz(6.7096, 7.7737, 13.7147)
Luminance	0.0777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305366 #664330

analogous

#30665E #305366 #303866

triadic

#305366 #663053 #536630

tetradic

#305366 #5E3066 #664330 #386630

square

#305366 #5E3066 #664330 #386630

split-complementary

#305366 #663038 #665E30

monochromatic

#0A1115 #1C313C #305366 #447590 #5D95B3

Accessibility & contrast

On white

8.22

#305366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#305366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305366

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305366	#FFFFFF	#000000	##FFFFFF
##305366	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5267

Deuteranopia (green-blind)

#424C66

Tritanopia (blue-blind)

#135859

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #305366;
/* rgb */ color: rgb(48, 83, 102);
/* oklch */ color: oklch(42.4% 0.051 233.5);

Tailwind

colors: {
  custom: {
    50: '#6c8391',
    500: '#305366',
    950: '#000000',
  },
}

SCSS

$custom: #305366;
$custom-light: #6c8391;
$custom-dark: #000000;

JSON

{
  "hex": "#305366",
  "rgb": {
    "r": 48,
    "g": 83,
    "b": 102
  },
  "hsl": {
    "h": 201.111,
    "s": 36,
    "l": 29.412
  },
  "oklch": {
    "l": 0.42396,
    "c": 0.05143,
    "h": 233.5
  },
  "luminance": 0.07774
}

Semantic roles & 50–950 ramp

primary

#305366

secondary

#97705A

accent

#835CCC

background

#F6F8F8

surface

#ECEFF0

border

#C7CACB

text

#070A0C

muted

#7A7C7D

Preview Lab

Preview with #305366

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

Preview Lab → · Contrast checker → · Palette generator →