#306BA6#306BA6

#306BA6 is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.7% C 0.112 H 250.9°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#306BA6
RGB	rgb(48, 107, 166)
HSL	hsl(210, 55%, 42%)
HSV	hsv(210, 71%, 65%)
CMYK	cmyk(71.1%, 35.5%, 0%, 34.9%)
CIE-LAB	lab(44.08, 0.98, -37.28)
CIE-LCH	lch(44.08, 37.29, 271.50°)
OKLab	oklab(51.75% -0.0367 -0.1059)
OKLCH	oklch(51.75% 0.112 250.9)
XYZ	xyz(13.3570, 13.8955, 38.0472)
Luminance	0.1390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BA6 #A66B30

analogous

#30A6A6 #306BA6 #3030A6

triadic

#306BA6 #A6306B #6BA630

tetradic

#306BA6 #A630A6 #A66B30 #30A630

square

#306BA6 #A630A6 #A66B30 #30A630

split-complementary

#306BA6 #A63030 #A6A630

monochromatic

#152E47 #224C77 #306BA6 #498ACA #78A8D8

Accessibility & contrast

On white

5.56

#306BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#306BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BA6

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BA6	#FFFFFF	#000000	##FFFFFF
##306BA6	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506EA8

Deuteranopia (green-blind)

#3F63A5

Tritanopia (blue-blind)

#007980

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #306ba6;
/* rgb */ color: rgb(48, 107, 166);
/* oklch */ color: oklch(51.7% 0.112 250.9);

Tailwind

colors: {
  custom: {
    50: '#7795c1',
    500: '#306ba6',
    950: '#000000',
  },
}

SCSS

$custom: #306ba6;
$custom-light: #7795c1;
$custom-dark: #000000;

JSON

{
  "hex": "#306ba6",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 166
  },
  "hsl": {
    "h": 210,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51749,
    "c": 0.11206,
    "h": 250.9
  },
  "luminance": 0.13897
}

Semantic roles & 50–950 ramp

primary

#306BA6

secondary

#C09971

accent

#9449DE

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306BA6

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

Preview Lab → · Contrast checker → · Palette generator →