#306EA4#306EA4

#306EA4 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.3% C 0.107 H 247.8°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#306EA4
RGB	rgb(48, 110, 164)
HSL	hsl(208, 55%, 42%)
HSV	hsv(208, 71%, 64%)
CMYK	cmyk(70.7%, 32.9%, 0%, 35.7%)
CIE-LAB	lab(44.88, -1.60, -34.84)
CIE-LCH	lch(44.88, 34.87, 267.37°)
OKLab	oklab(52.34% -0.0403 -0.0987)
OKLCH	oklch(52.34% 0.107 247.8)
XYZ	xyz(13.4932, 14.4591, 37.1945)
Luminance	0.1446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306EA4 #A46630

analogous

#30A4A0 #306EA4 #3034A4

triadic

#306EA4 #A4306E #6EA430

tetradic

#306EA4 #A030A4 #A46630 #34A430

square

#306EA4 #A030A4 #A46630 #34A430

split-complementary

#306EA4 #A43034 #A4A030

monochromatic

#142E45 #224E75 #306EA4 #488DC9 #77ABD7

Accessibility & contrast

On white

5.40

#306EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#306EA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306EA4

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306EA4	#FFFFFF	#000000	##FFFFFF
##306EA4	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5670A6

Deuteranopia (green-blind)

#4665A3

Tritanopia (blue-blind)

#007B81

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306ea4;
/* rgb */ color: rgb(48, 110, 164);
/* oklch */ color: oklch(52.3% 0.107 247.8);

Tailwind

colors: {
  custom: {
    50: '#7697bf',
    500: '#306ea4',
    950: '#000000',
  },
}

SCSS

$custom: #306ea4;
$custom-light: #7697bf;
$custom-dark: #000000;

JSON

{
  "hex": "#306ea4",
  "rgb": {
    "r": 48,
    "g": 110,
    "b": 164
  },
  "hsl": {
    "h": 207.931,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52344,
    "c": 0.10662,
    "h": 247.8
  },
  "luminance": 0.14461
}

Semantic roles & 50–950 ramp

primary

#306EA4

secondary

#BF9570

accent

#8F4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306EA4

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

Preview Lab → · Contrast checker → · Palette generator →