#305F8A#305F8A

#305F8A is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 47.3% C 0.087 H 248.2°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#305F8A
RGB	rgb(48, 95, 138)
HSL	hsl(209, 48%, 36%)
HSV	hsv(209, 65%, 54%)
CMYK	cmyk(65.2%, 31.2%, 0%, 45.9%)
CIE-LAB	lab(38.98, -1.75, -28.61)
CIE-LCH	lch(38.98, 28.66, 266.50°)
OKLab	oklab(47.27% -0.0322 -0.0807)
OKLCH	oklch(47.27% 0.087 248.2)
XYZ	xyz(9.8969, 10.6468, 25.5733)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305F8A #8A5B30

analogous

#308A88 #305F8A #30328A

triadic

#305F8A #8A305F #5F8A30

tetradic

#305F8A #88308A #8A5B30 #328A30

square

#305F8A #88308A #8A5B30 #328A30

split-complementary

#305F8A #8A3032 #8A8830

monochromatic

#10202F #20405D #305F8A #407EB7 #699CCB

Accessibility & contrast

On white

6.71

#305F8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#305F8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305F8A

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305F8A	#FFFFFF	#000000	##FFFFFF
##305F8A	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C618C

Deuteranopia (green-blind)

#405889

Tritanopia (blue-blind)

#00696E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #305f8a;
/* rgb */ color: rgb(48, 95, 138);
/* oklch */ color: oklch(47.3% 0.087 248.2);

Tailwind

colors: {
  custom: {
    50: '#728cac',
    500: '#305f8a',
    950: '#000000',
  },
}

SCSS

$custom: #305f8a;
$custom-light: #728cac;
$custom-dark: #000000;

JSON

{
  "hex": "#305f8a",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 138
  },
  "hsl": {
    "h": 208.667,
    "s": 48.387,
    "l": 36.471
  },
  "oklch": {
    "l": 0.47269,
    "c": 0.08694,
    "h": 248.2
  },
  "luminance": 0.10648
}

Semantic roles & 50–950 ramp

primary

#305F8A

secondary

#B28964

accent

#9150D8

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #305F8A

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

Preview Lab → · Contrast checker → · Palette generator →