#305478#305478

#305478 is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.6% C 0.073 H 249.8°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#305478
RGB	rgb(48, 84, 120)
HSL	hsl(210, 43%, 33%)
HSV	hsv(210, 60%, 47%)
CMYK	cmyk(60%, 30%, 0%, 52.9%)
CIE-LAB	lab(34.65, -1.24, -24.36)
CIE-LCH	lch(34.65, 24.39, 267.09°)
OKLab	oklab(43.57% -0.0252 -0.0685)
OKLCH	oklch(43.57% 0.073 249.8)
XYZ	xyz(7.7782, 8.3244, 18.9625)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305478 #785430

analogous

#307878 #305478 #303078

triadic

#305478 #783054 #547830

tetradic

#305478 #783078 #785430 #307830

square

#305478 #783078 #785430 #307830

split-complementary

#305478 #783030 #787830

monochromatic

#0D1721 #1F354C #305478 #4173A4 #6291C0

Accessibility & contrast

On white

7.88

#305478 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#305478 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305478

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305478	#FFFFFF	#000000	##FFFFFF
##305478	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45557A

Deuteranopia (green-blind)

#3B4E77

Tritanopia (blue-blind)

#005C61

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #305478;
/* rgb */ color: rgb(48, 84, 120);
/* oklch */ color: oklch(43.6% 0.073 249.8);

Tailwind

colors: {
  custom: {
    50: '#6f839f',
    500: '#305478',
    950: '#000000',
  },
}

SCSS

$custom: #305478;
$custom-light: #6f839f;
$custom-dark: #000000;

JSON

{
  "hex": "#305478",
  "rgb": {
    "r": 48,
    "g": 84,
    "b": 120
  },
  "hsl": {
    "h": 210,
    "s": 42.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.4357,
    "c": 0.07301,
    "h": 249.8
  },
  "luminance": 0.08325
}

Semantic roles & 50–950 ramp

primary

#305478

secondary

#A7825C

accent

#9455D3

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#080A0E

muted

#7B7C7E

Preview Lab

Preview with #305478

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

Preview Lab → · Contrast checker → · Palette generator →