#305F99#305F99

#305F99 is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 48.1% C 0.107 H 254.9°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#305F99
RGB	rgb(48, 95, 153)
HSL	hsl(213, 52%, 39%)
HSV	hsv(213, 69%, 60%)
CMYK	cmyk(68.6%, 37.9%, 0%, 40%)
CIE-LAB	lab(39.77, 3.72, -36.39)
CIE-LCH	lch(39.77, 36.58, 275.83°)
OKLab	oklab(48.15% -0.0279 -0.1035)
OKLCH	oklch(48.15% 0.107 254.9)
XYZ	xyz(11.0588, 11.1116, 31.6928)
Luminance	0.1111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305F99 #996A30

analogous

#309499 #305F99 #363099

triadic

#305F99 #99305F #5F9930

tetradic

#305F99 #993094 #996A30 #309936

square

#305F99 #993094 #996A30 #309936

split-complementary

#305F99 #993630 #949930

monochromatic

#13253C #21426A #305F99 #427CC4 #719DD2

Accessibility & contrast

On white

6.52

#305F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#305F99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305F99

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305F99	#FFFFFF	#000000	##FFFFFF
##305F99	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45639B

Deuteranopia (green-blind)

#365998

Tritanopia (blue-blind)

#006C74

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #305f99;
/* rgb */ color: rgb(48, 95, 153);
/* oklch */ color: oklch(48.1% 0.107 254.9);

Tailwind

colors: {
  custom: {
    50: '#748cb7',
    500: '#305f99',
    950: '#000000',
  },
}

SCSS

$custom: #305f99;
$custom-light: #748cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#305f99",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 153
  },
  "hsl": {
    "h": 213.143,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48145,
    "c": 0.10716,
    "h": 254.9
  },
  "luminance": 0.11113
}

Semantic roles & 50–950 ramp

primary

#305F99

secondary

#BA976B

accent

#9B4CDC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #305F99

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

Preview Lab → · Contrast checker → · Palette generator →