#307AA4#307AA4

#307AA4 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.2% C 0.097 H 237.3°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#307AA4
RGB	rgb(48, 122, 164)
HSL	hsl(202, 55%, 42%)
HSV	hsv(202, 71%, 64%)
CMYK	cmyk(70.7%, 25.6%, 0%, 35.7%)
CIE-LAB	lab(48.54, -8.75, -29.10)
CIE-LCH	lch(48.54, 30.39, 253.27°)
OKLab	oklab(55.24% -0.0526 -0.0819)
OKLCH	oklch(55.24% 0.097 237.3)
XYZ	xyz(14.8767, 17.2261, 37.6557)
Luminance	0.1723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307AA4 #A45A30

analogous

#30A494 #307AA4 #3040A4

triadic

#307AA4 #A4307A #7AA430

tetradic

#307AA4 #9430A4 #A45A30 #40A430

square

#307AA4 #9430A4 #A45A30 #40A430

split-complementary

#307AA4 #A43040 #A49430

monochromatic

#143445 #225775 #307AA4 #489AC9 #77B4D7

Accessibility & contrast

On white

4.72

#307AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#307AA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307AA4

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307AA4	#FFFFFF	#000000	##FFFFFF
##307AA4	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667AA6

Deuteranopia (green-blind)

#566EA3

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307aa4;
/* rgb */ color: rgb(48, 122, 164);
/* oklch */ color: oklch(55.2% 0.097 237.3);

Tailwind

colors: {
  custom: {
    50: '#77a0bf',
    500: '#307aa4',
    950: '#000000',
  },
}

SCSS

$custom: #307aa4;
$custom-light: #77a0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#307aa4",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 164
  },
  "hsl": {
    "h": 201.724,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55238,
    "c": 0.09739,
    "h": 237.3
  },
  "luminance": 0.17228
}

Semantic roles & 50–950 ramp

primary

#307AA4

secondary

#BF8D70

accent

#7F4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #307AA4

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

Preview Lab → · Contrast checker → · Palette generator →