#307DAC#307DAC

#307DAC is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.104 H 239.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#307DAC
RGBrgb(48, 125, 172)
HSLhsl(203, 56%, 43%)
HSVhsv(203, 72%, 67%)
CMYKcmyk(72.1%, 27.3%, 0%, 32.5%)
CIE-LABlab(49.82, -7.67, -31.76)
CIE-LCHlch(49.82, 32.67, 256.42°)
OKLaboklab(56.37% -0.053 -0.0896)
OKLCHoklch(56.37% 0.104 239.4)
XYZxyz(15.9960, 18.2724, 41.7056)
Luminance0.1827 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307DAC #AC5F30
analogous
#30AC9D #307DAC #303FAC
triadic
#307DAC #AC307D #7DAC30
tetradic
#307DAC #9D30AC #AC5F30 #3FAC30
square
#307DAC #9D30AC #AC5F30 #3FAC30
split-complementary
#307DAC #AC303F #AC9D30
monochromatic
#15374C #235A7C #307DAC #4C9CCD #7CB7DA

Accessibility & contrast

On white

4.51
#307DAC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#307DAC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DAC
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307DAC#FFFFFF#000000##000000
##307DAC1.004.514.654.65
#FFFFFF4.511.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#677DAE
Deuteranopia (green-blind)
#5671AB
Tritanopia (blue-blind)
#00898D
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #307dac;
/* rgb */ color: rgb(48, 125, 172);
/* oklch */ color: oklch(56.4% 0.104 239.4);
Tailwind
colors: {
  custom: {
    50: '#78a2c5',
    500: '#307dac',
    950: '#000000',
  },
}
SCSS
$custom: #307dac;
$custom-light: #78a2c5;
$custom-dark: #000000;
JSON
{
  "hex": "#307dac",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 172
  },
  "hsl": {
    "h": 202.742,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.56374,
    "c": 0.10408,
    "h": 239.4
  },
  "luminance": 0.18274
}

Semantic roles & 50–950 ramp

primary
#307DAC
secondary
#C39275
accent
#8248E0
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0F13
muted
#7C7E82

Preview Lab

Preview with #307DAC

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

Preview Lab → · Contrast checker → · Palette generator →

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