#306DAB#306DAB

#306DAB is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.5% C 0.117 H 251.3°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#306DAB
RGB	rgb(48, 109, 171)
HSL	hsl(210, 56%, 43%)
HSV	hsv(210, 72%, 67%)
CMYK	cmyk(71.9%, 36.3%, 0%, 32.9%)
CIE-LAB	lab(44.95, 1.58, -38.85)
CIE-LCH	lch(44.95, 38.88, 272.32°)
OKLab	oklab(52.51% -0.0373 -0.1104)
OKLCH	oklch(52.51% 0.117 251.3)
XYZ	xyz(14.0355, 14.5044, 40.5801)
Luminance	0.1451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DAB #AB6E30

analogous

#30AAAB #306DAB #3130AB

triadic

#306DAB #AB306D #6DAB30

tetradic

#306DAB #AB30AA #AB6E30 #30AB31

square

#306DAB #AB30AA #AB6E30 #30AB31

split-complementary

#306DAB #AB3130 #AAAB30

monochromatic

#15304B #234F7B #306DAB #4C8CCD #7BAADA

Accessibility & contrast

On white

5.38

#306DAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#306DAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DAB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DAB	#FFFFFF	#000000	##FFFFFF
##306DAB	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5171AE

Deuteranopia (green-blind)

#3F65AA

Tritanopia (blue-blind)

#007C84

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306dab;
/* rgb */ color: rgb(48, 109, 171);
/* oklch */ color: oklch(52.5% 0.117 251.3);

Tailwind

colors: {
  custom: {
    50: '#7896c4',
    500: '#306dab',
    950: '#000000',
  },
}

SCSS

$custom: #306dab;
$custom-light: #7896c4;
$custom-dark: #000000;

JSON

{
  "hex": "#306dab",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 171
  },
  "hsl": {
    "h": 210.244,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52513,
    "c": 0.11657,
    "h": 251.3
  },
  "luminance": 0.14506
}

Semantic roles & 50–950 ramp

primary

#306DAB

secondary

#C39C74

accent

#9548DF

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306DAB

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

Preview Lab → · Contrast checker → · Palette generator →