#306DA3#306DA3

#306DA3 is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 52.0% C 0.106 H 248.1°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#306DA3
RGB	rgb(48, 109, 163)
HSL	hsl(208, 55%, 41%)
HSV	hsv(208, 71%, 64%)
CMYK	cmyk(70.6%, 33.1%, 0%, 36.1%)
CIE-LAB	lab(44.53, -1.35, -34.80)
CIE-LCH	lch(44.53, 34.83, 267.77°)
OKLab	oklab(52.05% -0.0396 -0.0986)
OKLCH	oklch(52.05% 0.106 248.1)
XYZ	xyz(13.2959, 14.2086, 36.6850)
Luminance	0.1421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DA3 #A36630

analogous

#30A3A0 #306DA3 #3034A3

triadic

#306DA3 #A3306D #6DA330

tetradic

#306DA3 #A030A3 #A36630 #34A330

square

#306DA3 #A030A3 #A36630 #34A330

split-complementary

#306DA3 #A33034 #A3A030

monochromatic

#142E44 #224D74 #306DA3 #478CC9 #77AAD7

Accessibility & contrast

On white

5.47

#306DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#306DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DA3

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DA3	#FFFFFF	#000000	##FFFFFF
##306DA3	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556FA5

Deuteranopia (green-blind)

#4564A2

Tritanopia (blue-blind)

#007A80

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #306da3;
/* rgb */ color: rgb(48, 109, 163);
/* oklch */ color: oklch(52.0% 0.106 248.1);

Tailwind

colors: {
  custom: {
    50: '#7696be',
    500: '#306da3',
    950: '#000000',
  },
}

SCSS

$custom: #306da3;
$custom-light: #7696be;
$custom-dark: #000000;

JSON

{
  "hex": "#306da3",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 163
  },
  "hsl": {
    "h": 208.174,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.52049,
    "c": 0.10627,
    "h": 248.1
  },
  "luminance": 0.1421
}

Semantic roles & 50–950 ramp

primary

#306DA3

secondary

#BF9570

accent

#8F4ADE

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306DA3

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

Preview Lab → · Contrast checker → · Palette generator →