#307DC0#307DC0

#307DC0 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.5% C 0.128 H 248.5°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX#307DC0
RGBrgb(48, 125, 192)
HSLhsl(208, 60%, 47%)
HSVhsv(208, 75%, 75%)
CMYKcmyk(75%, 34.9%, 0%, 24.7%)
CIE-LABlab(50.80, -0.48, -41.75)
CIE-LCHlch(50.80, 41.75, 269.35°)
OKLaboklab(57.47% -0.0469 -0.1187)
OKLCHoklch(57.47% 0.128 248.5)
XYZxyz(18.0633, 19.0993, 52.5935)
Luminance0.1910 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307DC0 #C07330
analogous
#30C0BB #307DC0 #3035C0
triadic
#307DC0 #C0307D #7DC030
tetradic
#307DC0 #BB30C0 #C07330 #35C030
square
#307DC0 #BB30C0 #C07330 #35C030
split-complementary
#307DC0 #C03035 #C0BB30
monochromatic
#183D5E #245D8F #307DC0 #589BD5 #89B8E1

Accessibility & contrast

On white

4.36
#307DC0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.82
#307DC0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DC0
4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307DC0#FFFFFF#000000##000000
##307DC01.004.364.824.82
#FFFFFF4.361.0021.0021.00
#0000004.8221.001.001.00
##0000004.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E80C3
Deuteranopia (green-blind)
#4973BF
Tritanopia (blue-blind)
#008D95
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #307dc0;
/* rgb */ color: rgb(48, 125, 192);
/* oklch */ color: oklch(57.5% 0.128 248.5);
Tailwind
colors: {
  custom: {
    50: '#7ca2d3',
    500: '#307dc0',
    950: '#000000',
  },
}
SCSS
$custom: #307dc0;
$custom-light: #7ca2d3;
$custom-dark: #000000;
JSON
{
  "hex": "#307dc0",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 192
  },
  "hsl": {
    "h": 207.917,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57468,
    "c": 0.1276,
    "h": 248.5
  },
  "luminance": 0.19101
}

Semantic roles & 50–950 ramp

primary
#307DC0
secondary
#CBA380
accent
#8E45E3
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0F14
muted
#7C7E83

Preview Lab

Preview with #307DC0

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

Preview Lab → · Contrast checker → · Palette generator →

#307DC0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva