#306DA8#306DA8

#306DA8 is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.3% C 0.113 H 250.2°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#306DA8
RGB	rgb(48, 109, 168)
HSL	hsl(210, 56%, 42%)
HSV	hsv(210, 71%, 66%)
CMYK	cmyk(71.4%, 35.1%, 0%, 34.1%)
CIE-LAB	lab(44.79, 0.47, -37.34)
CIE-LCH	lch(44.79, 37.34, 270.73°)
OKLab	oklab(52.34% -0.0381 -0.106)
OKLCH	oklch(52.34% 0.113 250.2)
XYZ	xyz(13.7528, 14.3913, 39.0912)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DA8 #A86B30

analogous

#30A8A7 #306DA8 #3031A8

triadic

#306DA8 #A8306D #6DA830

tetradic

#306DA8 #A730A8 #A86B30 #31A830

square

#306DA8 #A730A8 #A86B30 #31A830

split-complementary

#306DA8 #A83031 #A8A730

monochromatic

#152F49 #224E78 #306DA8 #4A8CCB #7AAAD9

Accessibility & contrast

On white

5.41

#306DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#306DA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DA8

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DA8	#FFFFFF	#000000	##FFFFFF
##306DA8	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5270AA

Deuteranopia (green-blind)

#4165A7

Tritanopia (blue-blind)

#007B82

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306da8;
/* rgb */ color: rgb(48, 109, 168);
/* oklch */ color: oklch(52.3% 0.113 250.2);

Tailwind

colors: {
  custom: {
    50: '#7796c2',
    500: '#306da8',
    950: '#000000',
  },
}

SCSS

$custom: #306da8;
$custom-light: #7796c2;
$custom-dark: #000000;

JSON

{
  "hex": "#306da8",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 168
  },
  "hsl": {
    "h": 209.5,
    "s": 55.556,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52337,
    "c": 0.11268,
    "h": 250.2
  },
  "luminance": 0.14393
}

Semantic roles & 50–950 ramp

primary

#306DA8

secondary

#C19973

accent

#9349DF

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306DA8

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

Preview Lab → · Contrast checker → · Palette generator →