#307A8A#307A8A

#307A8A is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.0% C 0.076 H 214.4°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#307A8A
RGBrgb(48, 122, 138)
HSLhsl(191, 48%, 36%)
HSVhsv(191, 65%, 54%)
CMYKcmyk(65.2%, 11.6%, 0%, 45.9%)
CIE-LABlab(47.47, -17.53, -15.48)
CIE-LCHlch(47.47, 23.39, 221.45°)
OKLaboklab(54.03% -0.0627 -0.043)
OKLCHoklch(54.03% 0.076 214.4)
XYZxyz(12.7640, 16.3811, 26.5290)
Luminance0.1638 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307A8A #8A4030
analogous
#308A6D #307A8A #304D8A
triadic
#307A8A #8A307A #7A8A30
tetradic
#307A8A #6D308A #8A4030 #4D8A30
square
#307A8A #6D308A #8A4030 #4D8A30
split-complementary
#307A8A #8A304D #8A6D30
monochromatic
#102A2F #20525D #307A8A #40A2B7 #69BACB

Accessibility & contrast

On white

4.91
#307A8A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.28
#307A8A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307A8A
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307A8A#FFFFFF#000000##FFFFFF
##307A8A1.004.914.284.91
#FFFFFF4.911.0021.001.00
#0000004.2821.001.0021.00
##FFFFFF4.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E768B
Deuteranopia (green-blind)
#616C8A
Tritanopia (blue-blind)
#00807F
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #307a8a;
/* rgb */ color: rgb(48, 122, 138);
/* oklch */ color: oklch(54.0% 0.076 214.4);
Tailwind
colors: {
  custom: {
    50: '#73a0ac',
    500: '#307a8a',
    950: '#000000',
  },
}
SCSS
$custom: #307a8a;
$custom-light: #73a0ac;
$custom-dark: #000000;
JSON
{
  "hex": "#307a8a",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 138
  },
  "hsl": {
    "h": 190.667,
    "s": 48.387,
    "l": 36.471
  },
  "oklch": {
    "l": 0.54026,
    "c": 0.07606,
    "h": 214.4
  },
  "luminance": 0.16382
}

Semantic roles & 50–950 ramp

primary
#307A8A
secondary
#B27264
accent
#6850D8
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#090E10
muted
#7B7E7F

Preview Lab

Preview with #307A8A

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

Preview Lab → · Contrast checker → · Palette generator →

#307A8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva