#307CD2#307CD2

#307CD2 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.3% C 0.151 H 254.1°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX#307CD2
RGBrgb(48, 124, 210)
HSLhsl(212, 64%, 51%)
HSVhsv(212, 77%, 82%)
CMYKcmyk(77.1%, 41%, 0%, 17.6%)
CIE-LABlab(51.49, 6.76, -50.91)
CIE-LCHlch(51.49, 51.36, 277.57°)
OKLaboklab(58.32% -0.0415 -0.1456)
OKLCHoklch(58.32% 0.151 254.1)
XYZxyz(20.0551, 19.6945, 63.7047)
Luminance0.1970 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307CD2 #D28630
analogous
#30CDD2 #307CD2 #3530D2
triadic
#307CD2 #D2307C #7CD230
tetradic
#307CD2 #D230CD #D28630 #30D235
square
#307CD2 #D230CD #D28630 #30D235
split-complementary
#307CD2 #D23530 #CDD230
monochromatic
#18416F #235EA2 #307CD2 #629CDD #95BCE8

Accessibility & contrast

On white

4.25
#307CD2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.94
#307CD2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CD2
4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307CD2#FFFFFF#000000##000000
##307CD21.004.254.944.94
#FFFFFF4.251.0021.0021.00
#0000004.9421.001.001.00
##0000004.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5283D5
Deuteranopia (green-blind)
#3674D0
Tritanopia (blue-blind)
#00909D
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #307cd2;
/* rgb */ color: rgb(48, 124, 210);
/* oklch */ color: oklch(58.3% 0.151 254.1);
Tailwind
colors: {
  custom: {
    50: '#7fa1e0',
    500: '#307cd2',
    950: '#000000',
  },
}
SCSS
$custom: #307cd2;
$custom-light: #7fa1e0;
$custom-dark: #000000;
JSON
{
  "hex": "#307cd2",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 210
  },
  "hsl": {
    "h": 211.852,
    "s": 64.286,
    "l": 50.588
  },
  "oklch": {
    "l": 0.58323,
    "c": 0.15138,
    "h": 254.1
  },
  "luminance": 0.19697
}

Semantic roles & 50–950 ramp

primary
#307CD2
secondary
#D3B18B
accent
#9941E7
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #307CD2

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

Preview Lab → · Contrast checker → · Palette generator →

#307CD2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva