#305E8A#305E8A

#305E8A is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 47.0% C 0.088 H 249.3°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#305E8A
RGB	rgb(48, 94, 138)
HSL	hsl(209, 48%, 36%)
HSV	hsv(209, 65%, 54%)
CMYK	cmyk(65.2%, 31.9%, 0%, 45.9%)
CIE-LAB	lab(38.67, -1.13, -29.09)
CIE-LCH	lch(38.67, 29.11, 267.78°)
OKLab	oklab(47.03% -0.0311 -0.0822)
OKLCH	oklch(47.03% 0.088 249.3)
XYZ	xyz(9.8074, 10.4678, 25.5435)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305E8A #8A5C30

analogous

#308A89 #305E8A #30318A

triadic

#305E8A #8A305E #5E8A30

tetradic

#305E8A #89308A #8A5C30 #318A30

square

#305E8A #89308A #8A5C30 #318A30

split-complementary

#305E8A #8A3031 #8A8930

monochromatic

#10202F #203F5D #305E8A #407DB7 #699BCB

Accessibility & contrast

On white

6.79

#305E8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#305E8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305E8A

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305E8A	#FFFFFF	#000000	##FFFFFF
##305E8A	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B608C

Deuteranopia (green-blind)

#3F5789

Tritanopia (blue-blind)

#00686E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #305e8a;
/* rgb */ color: rgb(48, 94, 138);
/* oklch */ color: oklch(47.0% 0.088 249.3);

Tailwind

colors: {
  custom: {
    50: '#728bac',
    500: '#305e8a',
    950: '#000000',
  },
}

SCSS

$custom: #305e8a;
$custom-light: #728bac;
$custom-dark: #000000;

JSON

{
  "hex": "#305e8a",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 138
  },
  "hsl": {
    "h": 209.333,
    "s": 48.387,
    "l": 36.471
  },
  "oklch": {
    "l": 0.47025,
    "c": 0.08786,
    "h": 249.3
  },
  "luminance": 0.10469
}

Semantic roles & 50–950 ramp

primary

#305E8A

secondary

#B28A64

accent

#9250D8

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #305E8A

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

Preview Lab → · Contrast checker → · Palette generator →