#306CA1#306CA1

#306CA1 is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.7% C 0.105 H 248.0°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#306CA1
RGB	rgb(48, 108, 161)
HSL	hsl(208, 54%, 41%)
HSV	hsv(208, 70%, 63%)
CMYK	cmyk(70.2%, 32.9%, 0%, 36.9%)
CIE-LAB	lab(44.13, -1.47, -34.26)
CIE-LCH	lch(44.13, 34.30, 267.55°)
OKLab	oklab(51.7% -0.0391 -0.0971)
OKLCH	oklch(51.7% 0.105 248)
XYZ	xyz(13.0121, 13.9253, 35.7134)
Luminance	0.1393 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306CA1 #A16530

analogous

#30A19D #306CA1 #3033A1

triadic

#306CA1 #A1306C #6CA130

tetradic

#306CA1 #9D30A1 #A16530 #33A130

square

#306CA1 #9D30A1 #A16530 #33A130

split-complementary

#306CA1 #A13033 #A19D30

monochromatic

#142D43 #224C72 #306CA1 #468BC8 #75A9D6

Accessibility & contrast

On white

5.55

#306CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#306CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CA1

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306CA1	#FFFFFF	#000000	##FFFFFF
##306CA1	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546EA3

Deuteranopia (green-blind)

#4563A0

Tritanopia (blue-blind)

#00797F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #306ca1;
/* rgb */ color: rgb(48, 108, 161);
/* oklch */ color: oklch(51.7% 0.105 248.0);

Tailwind

colors: {
  custom: {
    50: '#7695bd',
    500: '#306ca1',
    950: '#000000',
  },
}

SCSS

$custom: #306ca1;
$custom-light: #7695bd;
$custom-dark: #000000;

JSON

{
  "hex": "#306ca1",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 161
  },
  "hsl": {
    "h": 208.142,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.51697,
    "c": 0.10466,
    "h": 248
  },
  "luminance": 0.13927
}

Semantic roles & 50–950 ramp

primary

#306CA1

secondary

#BE946F

accent

#8F4ADD

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #306CA1

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

Preview Lab → · Contrast checker → · Palette generator →