#307A9C#307A9C

#307A9C is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.8% C 0.089 H 231.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#307A9C
RGB	rgb(48, 122, 156)
HSL	hsl(199, 53%, 40%)
HSV	hsv(199, 69%, 61%)
CMYK	cmyk(69.2%, 21.8%, 0%, 38.8%)
CIE-LAB	lab(48.19, -11.53, -24.97)
CIE-LCH	lch(48.19, 27.50, 245.22°)
OKLab	oklab(54.84% -0.0555 -0.07)
OKLCH	oklch(54.84% 0.089 231.6)
XYZ	xyz(14.1768, 16.9462, 33.9698)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307A9C #9C5230

analogous

#309C88 #307A9C #30449C

triadic

#307A9C #9C307A #7A9C30

tetradic

#307A9C #88309C #9C5230 #449C30

square

#307A9C #88309C #9C5230 #449C30

split-complementary

#307A9C #9C3044 #9C8830

monochromatic

#13313E #22556D #307A9C #449DC5 #73B5D4

Accessibility & contrast

On white

4.78

#307A9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#307A9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307A9C

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307A9C	#FFFFFF	#000000	##FFFFFF
##307A9C	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69789E

Deuteranopia (green-blind)

#5A6E9C

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #307a9c;
/* rgb */ color: rgb(48, 122, 156);
/* oklch */ color: oklch(54.8% 0.089 231.6);

Tailwind

colors: {
  custom: {
    50: '#76a0b9',
    500: '#307a9c',
    950: '#000000',
  },
}

SCSS

$custom: #307a9c;
$custom-light: #76a0b9;
$custom-dark: #000000;

JSON

{
  "hex": "#307a9c",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 156
  },
  "hsl": {
    "h": 198.889,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.54842,
    "c": 0.08937,
    "h": 231.6
  },
  "luminance": 0.16948
}

Semantic roles & 50–950 ramp

primary

#307A9C

secondary

#BC856C

accent

#794BDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #307A9C

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

Preview Lab → · Contrast checker → · Palette generator →