#307AAE#307AAE

#307AAE is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.8% C 0.109 H 243.0°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#307AAE
RGBrgb(48, 122, 174)
HSLhsl(205, 57%, 44%)
HSVhsv(205, 72%, 68%)
CMYKcmyk(72.4%, 29.9%, 0%, 31.8%)
CIE-LABlab(49.01, -5.20, -34.19)
CIE-LCHlch(49.01, 34.59, 261.35°)
OKLaboklab(55.76% -0.0493 -0.0967)
OKLCHoklch(55.76% 0.109 243)
XYZxyz(15.8155, 17.6017, 42.6001)
Luminance0.1760 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307AAE #AE6430
analogous
#30AEA3 #307AAE #303BAE
triadic
#307AAE #AE307A #7AAE30
tetradic
#307AAE #A330AE #AE6430 #3BAE30
square
#307AAE #A330AE #AE6430 #3BAE30
split-complementary
#307AAE #AE303B #AEA330
monochromatic
#16374E #23587E #307AAE #4D99CE #7DB4DB

Accessibility & contrast

On white

4.65
#307AAE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.52
#307AAE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307AAE
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307AAE#FFFFFF#000000##FFFFFF
##307AAE1.004.654.524.65
#FFFFFF4.651.0021.001.00
#0000004.5221.001.0021.00
##FFFFFF4.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#627BB0
Deuteranopia (green-blind)
#516FAD
Tritanopia (blue-blind)
#00878C
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #307aae;
/* rgb */ color: rgb(48, 122, 174);
/* oklch */ color: oklch(55.8% 0.109 243.0);
Tailwind
colors: {
  custom: {
    50: '#78a0c6',
    500: '#307aae',
    950: '#000000',
  },
}
SCSS
$custom: #307aae;
$custom-light: #78a0c6;
$custom-dark: #000000;
JSON
{
  "hex": "#307aae",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 174
  },
  "hsl": {
    "h": 204.762,
    "s": 56.757,
    "l": 43.529
  },
  "oklch": {
    "l": 0.5576,
    "c": 0.10855,
    "h": 243
  },
  "luminance": 0.17603
}

Semantic roles & 50–950 ramp

primary
#307AAE
secondary
#C49676
accent
#8748E0
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #307AAE

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

Preview Lab → · Contrast checker → · Palette generator →

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