#306BA3#306BA3

#306BA3 is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.6% C 0.108 H 249.7°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#306BA3
RGB	rgb(48, 107, 163)
HSL	hsl(209, 55%, 41%)
HSV	hsv(209, 71%, 64%)
CMYK	cmyk(70.6%, 34.4%, 0%, 36.1%)
CIE-LAB	lab(43.93, -0.12, -35.76)
CIE-LCH	lch(43.93, 35.76, 269.80°)
OKLab	oklab(51.57% -0.0375 -0.1014)
OKLCH	oklch(51.57% 0.108 249.7)
XYZ	xyz(13.0850, 13.7867, 36.6147)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BA3 #A36830

analogous

#30A3A2 #306BA3 #3032A3

triadic

#306BA3 #A3306B #6BA330

tetradic

#306BA3 #A230A3 #A36830 #32A330

square

#306BA3 #A230A3 #A36830 #32A330

split-complementary

#306BA3 #A33032 #A3A230

monochromatic

#142D44 #224C74 #306BA3 #478AC9 #77A8D7

Accessibility & contrast

On white

5.59

#306BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#306BA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BA3

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BA3	#FFFFFF	#000000	##FFFFFF
##306BA3	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526EA5

Deuteranopia (green-blind)

#4263A2

Tritanopia (blue-blind)

#00787F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #306ba3;
/* rgb */ color: rgb(48, 107, 163);
/* oklch */ color: oklch(51.6% 0.108 249.7);

Tailwind

colors: {
  custom: {
    50: '#7695be',
    500: '#306ba3',
    950: '#000000',
  },
}

SCSS

$custom: #306ba3;
$custom-light: #7695be;
$custom-dark: #000000;

JSON

{
  "hex": "#306ba3",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 163
  },
  "hsl": {
    "h": 209.217,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51574,
    "c": 0.10816,
    "h": 249.7
  },
  "luminance": 0.13788
}

Semantic roles & 50–950 ramp

primary

#306BA3

secondary

#BF9670

accent

#924ADE

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306BA3

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

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