#306CA5#306CA5

#306CA5 is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.9% C 0.110 H 249.8°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#306CA5
RGB	rgb(48, 108, 165)
HSL	hsl(209, 55%, 42%)
HSV	hsv(209, 71%, 65%)
CMYK	cmyk(70.9%, 34.5%, 0%, 35.3%)
CIE-LAB	lab(44.33, -0.01, -36.30)
CIE-LCH	lch(44.33, 36.30, 269.99°)
OKLab	oklab(51.93% -0.038 -0.103)
OKLCH	oklch(51.93% 0.11 249.8)
XYZ	xyz(13.3705, 14.0687, 37.6009)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306CA5 #A56930

analogous

#30A5A4 #306CA5 #3031A5

triadic

#306CA5 #A5306C #6CA530

tetradic

#306CA5 #A430A5 #A56930 #31A530

square

#306CA5 #A430A5 #A56930 #31A530

split-complementary

#306CA5 #A53031 #A5A430

monochromatic

#142E46 #224D76 #306CA5 #488BCA #78A9D8

Accessibility & contrast

On white

5.51

#306CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#306CA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CA5

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306CA5	#FFFFFF	#000000	##FFFFFF
##306CA5	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526FA7

Deuteranopia (green-blind)

#4264A4

Tritanopia (blue-blind)

#007981

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #306ca5;
/* rgb */ color: rgb(48, 108, 165);
/* oklch */ color: oklch(51.9% 0.110 249.8);

Tailwind

colors: {
  custom: {
    50: '#7795c0',
    500: '#306ca5',
    950: '#000000',
  },
}

SCSS

$custom: #306ca5;
$custom-light: #7795c0;
$custom-dark: #000000;

JSON

{
  "hex": "#306ca5",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 165
  },
  "hsl": {
    "h": 209.231,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51926,
    "c": 0.10978,
    "h": 249.8
  },
  "luminance": 0.1407
}

Semantic roles & 50–950 ramp

primary

#306CA5

secondary

#C09771

accent

#924ADE

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306CA5

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

Preview Lab → · Contrast checker → · Palette generator →