#307DCA#307DCA

#307DCA is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.1% C 0.140 H 251.6°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#307DCA
RGBrgb(48, 125, 202)
HSLhsl(210, 62%, 49%)
HSVhsv(210, 76%, 79%)
CMYKcmyk(76.2%, 38.1%, 0%, 20.8%)
CIE-LABlab(51.33, 3.19, -46.62)
CIE-LCHlch(51.33, 46.73, 273.92°)
OKLaboklab(58.06% -0.0442 -0.133)
OKLCHoklch(58.06% 0.14 251.6)
XYZxyz(19.2092, 19.5576, 58.6283)
Luminance0.1956 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307DCA #CA7D30
analogous
#30CACA #307DCA #3030CA
triadic
#307DCA #CA307D #7DCA30
tetradic
#307DCA #CA30CA #CA7D30 #30CA30
square
#307DCA #CA30CA #CA7D30 #30CA30
split-complementary
#307DCA #CA3030 #CACA30
monochromatic
#184067 #245E99 #307DCA #5E9CD9 #90BAE5

Accessibility & contrast

On white

4.28
#307DCA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.91
#307DCA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DCA
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307DCA#FFFFFF#000000##000000
##307DCA1.004.284.914.91
#FFFFFF4.281.0021.0021.00
#0000004.9121.001.001.00
##0000004.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5982CD
Deuteranopia (green-blind)
#4174C8
Tritanopia (blue-blind)
#008F9A
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #307dca;
/* rgb */ color: rgb(48, 125, 202);
/* oklch */ color: oklch(58.1% 0.140 251.6);
Tailwind
colors: {
  custom: {
    50: '#7ea2da',
    500: '#307dca',
    950: '#000000',
  },
}
SCSS
$custom: #307dca;
$custom-light: #7ea2da;
$custom-dark: #000000;
JSON
{
  "hex": "#307dca",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 202
  },
  "hsl": {
    "h": 210,
    "s": 61.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.58056,
    "c": 0.14012,
    "h": 251.6
  },
  "luminance": 0.1956
}

Semantic roles & 50–950 ramp

primary
#307DCA
secondary
#CFAB87
accent
#9443E5
background
#F8F9FD
surface
#EFF2FB
border
#CACCD4
text
#0B0F15
muted
#7C7E83

Preview Lab

Preview with #307DCA

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

Preview Lab → · Contrast checker → · Palette generator →

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