#306FAB#306FAB

#306FAB is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 53.0% C 0.115 H 250.0°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#306FAB
RGB	rgb(48, 111, 171)
HSL	hsl(209, 56%, 43%)
HSV	hsv(209, 72%, 67%)
CMYK	cmyk(71.9%, 35.1%, 0%, 32.9%)
CIE-LAB	lab(45.55, 0.34, -37.90)
CIE-LCH	lch(45.55, 37.90, 270.52°)
OKLab	oklab(52.98% -0.0393 -0.1076)
OKLCH	oklch(52.98% 0.115 250)
XYZ	xyz(14.2513, 14.9360, 40.6520)
Luminance	0.1494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FAB #AB6C30

analogous

#30ABA9 #306FAB #3032AB

triadic

#306FAB #AB306F #6FAB30

tetradic

#306FAB #A930AB #AB6C30 #32AB30

square

#306FAB #A930AB #AB6C30 #32AB30

split-complementary

#306FAB #AB3032 #ABA930

monochromatic

#15314B #23507B #306FAB #4C8ECD #7BACDA

Accessibility & contrast

On white

5.27

#306FAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#306FAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FAB

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FAB	#FFFFFF	#000000	##FFFFFF
##306FAB	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5472AE

Deuteranopia (green-blind)

#4267AA

Tritanopia (blue-blind)

#007D85

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306fab;
/* rgb */ color: rgb(48, 111, 171);
/* oklch */ color: oklch(53.0% 0.115 250.0);

Tailwind

colors: {
  custom: {
    50: '#7898c4',
    500: '#306fab',
    950: '#000000',
  },
}

SCSS

$custom: #306fab;
$custom-light: #7898c4;
$custom-dark: #000000;

JSON

{
  "hex": "#306fab",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 171
  },
  "hsl": {
    "h": 209.268,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52982,
    "c": 0.11458,
    "h": 250
  },
  "luminance": 0.14938
}

Semantic roles & 50–950 ramp

primary

#306FAB

secondary

#C39A74

accent

#9248DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306FAB

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

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