#307DAF#307DAF

#307DAF is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.107 H 241.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#307DAF
RGBrgb(48, 125, 175)
HSLhsl(204, 57%, 44%)
HSVhsv(204, 73%, 69%)
CMYKcmyk(72.6%, 28.6%, 0%, 31.4%)
CIE-LABlab(49.96, -6.61, -33.28)
CIE-LCHlch(49.96, 33.93, 258.77°)
OKLaboklab(56.53% -0.052 -0.094)
OKLCHoklch(56.53% 0.107 241.1)
XYZxyz(16.2874, 18.3889, 43.2402)
Luminance0.1839 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307DAF #AF6230
analogous
#30AFA1 #307DAF #303DAF
triadic
#307DAF #AF307D #7DAF30
tetradic
#307DAF #A130AF #AF6230 #3DAF30
square
#307DAF #A130AF #AF6230 #3DAF30
split-complementary
#307DAF #AF303D #AFA130
monochromatic
#16384F #235B7F #307DAF #4E9CCE #7EB7DC

Accessibility & contrast

On white

4.49
#307DAF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#307DAF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DAF
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307DAF#FFFFFF#000000##000000
##307DAF1.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#667EB1
Deuteranopia (green-blind)
#5471AE
Tritanopia (blue-blind)
#00898E
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #307daf;
/* rgb */ color: rgb(48, 125, 175);
/* oklch */ color: oklch(56.5% 0.107 241.1);
Tailwind
colors: {
  custom: {
    50: '#79a2c7',
    500: '#307daf',
    950: '#000000',
  },
}
SCSS
$custom: #307daf;
$custom-light: #79a2c7;
$custom-dark: #000000;
JSON
{
  "hex": "#307daf",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 175
  },
  "hsl": {
    "h": 203.622,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56531,
    "c": 0.10741,
    "h": 241.1
  },
  "luminance": 0.18391
}

Semantic roles & 50–950 ramp

primary
#307DAF
secondary
#C49576
accent
#8448E0
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0F13
muted
#7C7E82

Preview Lab

Preview with #307DAF

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

Preview Lab → · Contrast checker → · Palette generator →

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