#306C99#306C99

#306C99 is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 51.3% C 0.095 H 243.9°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#306C99
RGB	rgb(48, 108, 153)
HSL	hsl(206, 52%, 39%)
HSV	hsv(206, 69%, 60%)
CMYK	cmyk(68.6%, 29.4%, 0%, 40%)
CIE-LAB	lab(43.73, -4.35, -30.15)
CIE-LCH	lch(43.73, 30.46, 261.79°)
OKLab	oklab(51.26% -0.0416 -0.0851)
OKLCH	oklch(51.26% 0.095 243.9)
XYZ	xyz(12.3291, 13.6521, 32.1162)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306C99 #995D30

analogous

#309992 #306C99 #303899

triadic

#306C99 #99306C #6C9930

tetradic

#306C99 #923099 #995D30 #389930

square

#306C99 #923099 #995D30 #389930

split-complementary

#306C99 #993038 #999230

monochromatic

#132A3C #214B6A #306C99 #428CC4 #71A9D2

Accessibility & contrast

On white

5.63

#306C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#306C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306C99

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306C99	#FFFFFF	#000000	##FFFFFF
##306C99	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#586D9B

Deuteranopia (green-blind)

#496398

Tritanopia (blue-blind)

#00777C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #306c99;
/* rgb */ color: rgb(48, 108, 153);
/* oklch */ color: oklch(51.3% 0.095 243.9);

Tailwind

colors: {
  custom: {
    50: '#7495b7',
    500: '#306c99',
    950: '#000000',
  },
}

SCSS

$custom: #306c99;
$custom-light: #7495b7;
$custom-dark: #000000;

JSON

{
  "hex": "#306c99",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 153
  },
  "hsl": {
    "h": 205.714,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.51256,
    "c": 0.09474,
    "h": 243.9
  },
  "luminance": 0.13653
}

Semantic roles & 50–950 ramp

primary

#306C99

secondary

#BA8D6B

accent

#8A4CDC

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #306C99

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

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