#307CB6#307CB6

#307CB6 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.116 H 245.2°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#307CB6
RGBrgb(48, 124, 182)
HSLhsl(206, 58%, 45%)
HSVhsv(206, 74%, 71%)
CMYKcmyk(73.6%, 31.9%, 0%, 28.6%)
CIE-LABlab(50.00, -3.51, -37.26)
CIE-LCHlch(50.00, 37.43, 264.62°)
OKLaboklab(56.67% -0.0488 -0.1056)
OKLCHoklch(56.67% 0.116 245.2)
XYZxyz(16.8668, 18.4192, 46.9132)
Luminance0.1842 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307CB6 #B66A30
analogous
#30B6AD #307CB6 #3039B6
triadic
#307CB6 #B6307C #7CB630
tetradic
#307CB6 #AD30B6 #B66A30 #39B630
square
#307CB6 #AD30B6 #B66A30 #39B630
split-complementary
#307CB6 #B63039 #B6AD30
monochromatic
#163A55 #235B86 #307CB6 #529AD1 #82B6DE

Accessibility & contrast

On white

4.48
#307CB6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#307CB6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CB6
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307CB6#FFFFFF#000000##000000
##307CB61.004.484.684.68
#FFFFFF4.481.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#617EB9
Deuteranopia (green-blind)
#4F71B5
Tritanopia (blue-blind)
#008A91
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #307cb6;
/* rgb */ color: rgb(48, 124, 182);
/* oklch */ color: oklch(56.7% 0.116 245.2);
Tailwind
colors: {
  custom: {
    50: '#7aa1cc',
    500: '#307cb6',
    950: '#000000',
  },
}
SCSS
$custom: #307cb6;
$custom-light: #7aa1cc;
$custom-dark: #000000;
JSON
{
  "hex": "#307cb6",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 182
  },
  "hsl": {
    "h": 205.97,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5667,
    "c": 0.11634,
    "h": 245.2
  },
  "luminance": 0.18421
}

Semantic roles & 50–950 ramp

primary
#307CB6
secondary
#C79C7B
accent
#8946E1
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #307CB6

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

Preview Lab → · Contrast checker → · Palette generator →

#307CB6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva