#305178#305178

#305178 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.8% C 0.076 H 253.6°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#305178
RGB	rgb(48, 81, 120)
HSL	hsl(213, 43%, 33%)
HSV	hsv(213, 60%, 47%)
CMYK	cmyk(60%, 32.5%, 0%, 52.9%)
CIE-LAB	lab(33.71, 0.68, -25.84)
CIE-LCH	lch(33.71, 25.84, 271.51°)
OKLab	oklab(42.83% -0.0215 -0.0728)
OKLCH	oklch(42.83% 0.076 253.6)
XYZ	xyz(7.5503, 7.8687, 18.8866)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305178 #785730

analogous

#307578 #305178 #333078

triadic

#305178 #783051 #517830

tetradic

#305178 #783075 #785730 #307833

square

#305178 #783075 #785730 #307833

split-complementary

#305178 #783330 #757830

monochromatic

#0D1621 #1F334C #305178 #416FA4 #628DC0

Accessibility & contrast

On white

8.16

#305178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#305178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305178

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305178	#FFFFFF	#000000	##FFFFFF
##305178	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41537A

Deuteranopia (green-blind)

#374C77

Tritanopia (blue-blind)

#005A5F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #305178;
/* rgb */ color: rgb(48, 81, 120);
/* oklch */ color: oklch(42.8% 0.076 253.6);

Tailwind

colors: {
  custom: {
    50: '#6f819f',
    500: '#305178',
    950: '#000000',
  },
}

SCSS

$custom: #305178;
$custom-light: #6f819f;
$custom-dark: #000000;

JSON

{
  "hex": "#305178",
  "rgb": {
    "r": 48,
    "g": 81,
    "b": 120
  },
  "hsl": {
    "h": 212.5,
    "s": 42.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42831,
    "c": 0.07592,
    "h": 253.6
  },
  "luminance": 0.07869
}

Semantic roles & 50–950 ramp

primary

#305178

secondary

#A7855C

accent

#9955D3

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#080A0E

muted

#7B7C7E

Preview Lab

Preview with #305178

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

Preview Lab → · Contrast checker → · Palette generator →