#306399#306399

#306399 is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 49.1% C 0.103 H 251.8°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#306399
RGB	rgb(48, 99, 153)
HSL	hsl(211, 52%, 39%)
HSV	hsv(211, 69%, 60%)
CMYK	cmyk(68.6%, 35.3%, 0%, 40%)
CIE-LAB	lab(40.98, 1.19, -34.48)
CIE-LCH	lch(40.98, 34.50, 271.98°)
OKLab	oklab(49.09% -0.0321 -0.0978)
OKLCH	oklch(49.09% 0.103 251.8)
XYZ	xyz(11.4284, 11.8508, 31.8160)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306399 #996630

analogous

#309899 #306399 #313099

triadic

#306399 #993063 #639930

tetradic

#306399 #993098 #996630 #309931

square

#306399 #993098 #996630 #309931

split-complementary

#306399 #993130 #989930

monochromatic

#13273C #21456A #306399 #4281C4 #71A0D2

Accessibility & contrast

On white

6.23

#306399 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#306399 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306399

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306399	#FFFFFF	#000000	##FFFFFF
##306399	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B669B

Deuteranopia (green-blind)

#3C5C98

Tritanopia (blue-blind)

#007077

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #306399;
/* rgb */ color: rgb(48, 99, 153);
/* oklch */ color: oklch(49.1% 0.103 251.8);

Tailwind

colors: {
  custom: {
    50: '#748fb7',
    500: '#306399',
    950: '#000000',
  },
}

SCSS

$custom: #306399;
$custom-light: #748fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#306399",
  "rgb": {
    "r": 48,
    "g": 99,
    "b": 153
  },
  "hsl": {
    "h": 210.857,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49091,
    "c": 0.10295,
    "h": 251.8
  },
  "luminance": 0.11852
}

Semantic roles & 50–950 ramp

primary

#306399

secondary

#BA946B

accent

#964CDC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #306399

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

Preview Lab → · Contrast checker → · Palette generator →