#307FCA#307FCA

#307FCA is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.5% C 0.138 H 250.5°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#307FCA
RGBrgb(48, 127, 202)
HSLhsl(209, 62%, 49%)
HSVhsv(209, 76%, 79%)
CMYKcmyk(76.2%, 37.1%, 0%, 20.8%)
CIE-LABlab(51.92, 1.98, -45.69)
CIE-LCHlch(51.92, 45.74, 272.48°)
OKLaboklab(58.51% -0.046 -0.1302)
OKLCHoklch(58.51% 0.138 250.5)
XYZxyz(19.4649, 20.0691, 58.7135)
Luminance0.2007 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307FCA #CA7B30
analogous
#30CAC8 #307FCA #3032CA
triadic
#307FCA #CA307F #7FCA30
tetradic
#307FCA #C830CA #CA7B30 #32CA30
square
#307FCA #C830CA #CA7B30 #32CA30
split-complementary
#307FCA #CA3032 #CAC830
monochromatic
#184167 #246099 #307FCA #5E9DD9 #90BBE5

Accessibility & contrast

On white

4.19
#307FCA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.01
#307FCA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FCA
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307FCA#FFFFFF#000000##000000
##307FCA1.004.195.015.01
#FFFFFF4.191.0021.0021.00
#0000005.0121.001.001.00
##0000005.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5C84CD
Deuteranopia (green-blind)
#4575C9
Tritanopia (blue-blind)
#00919B
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #307fca;
/* rgb */ color: rgb(48, 127, 202);
/* oklch */ color: oklch(58.5% 0.138 250.5);
Tailwind
colors: {
  custom: {
    50: '#7ea3da',
    500: '#307fca',
    950: '#000000',
  },
}
SCSS
$custom: #307fca;
$custom-light: #7ea3da;
$custom-dark: #000000;
JSON
{
  "hex": "#307fca",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 202
  },
  "hsl": {
    "h": 209.221,
    "s": 61.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.58512,
    "c": 0.13811,
    "h": 250.5
  },
  "luminance": 0.20071
}

Semantic roles & 50–950 ramp

primary
#307FCA
secondary
#CFAA87
accent
#9243E5
background
#F8FAFD
surface
#EFF3FB
border
#CACDD4
text
#0B0F15
muted
#7C7F83

Preview Lab

Preview with #307FCA

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

Preview Lab → · Contrast checker → · Palette generator →

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