#305C99#305C99

#305C99 is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 47.4% C 0.111 H 257.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#305C99
RGB	rgb(48, 92, 153)
HSL	hsl(215, 52%, 39%)
HSV	hsv(215, 69%, 60%)
CMYK	cmyk(68.6%, 39.9%, 0%, 40%)
CIE-LAB	lab(38.87, 5.64, -37.82)
CIE-LCH	lch(38.87, 38.24, 278.48°)
OKLab	oklab(47.44% -0.0248 -0.1077)
OKLCH	oklch(47.44% 0.111 257)
XYZ	xyz(10.7938, 10.5815, 31.6044)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305C99 #996D30

analogous

#309199 #305C99 #383099

triadic

#305C99 #99305C #5C9930

tetradic

#305C99 #993091 #996D30 #309938

square

#305C99 #993091 #996D30 #309938

split-complementary

#305C99 #993830 #919930

monochromatic

#13243C #21406A #305C99 #4279C4 #719AD2

Accessibility & contrast

On white

6.74

#305C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#305C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305C99

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305C99	#FFFFFF	#000000	##FFFFFF
##305C99	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40619B

Deuteranopia (green-blind)

#315798

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #305c99;
/* rgb */ color: rgb(48, 92, 153);
/* oklch */ color: oklch(47.4% 0.111 257.0);

Tailwind

colors: {
  custom: {
    50: '#7489b7',
    500: '#305c99',
    950: '#000000',
  },
}

SCSS

$custom: #305c99;
$custom-light: #7489b7;
$custom-dark: #000000;

JSON

{
  "hex": "#305c99",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 153
  },
  "hsl": {
    "h": 214.857,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47443,
    "c": 0.11051,
    "h": 257
  },
  "luminance": 0.10583
}

Semantic roles & 50–950 ramp

primary

#305C99

secondary

#BA996B

accent

#A04CDC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #305C99

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

Preview Lab → · Contrast checker → · Palette generator →