#307EA3#307EA3

#307EA3 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.2% C 0.094 H 232.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#307EA3
RGBrgb(48, 126, 163)
HSLhsl(199, 55%, 41%)
HSVhsv(199, 71%, 64%)
CMYKcmyk(70.6%, 22.7%, 0%, 36.1%)
CIE-LABlab(49.73, -11.39, -26.68)
CIE-LCHlch(49.73, 29.01, 246.87°)
OKLaboklab(56.17% -0.0572 -0.0749)
OKLCHoklch(56.17% 0.094 232.7)
XYZxyz(15.2880, 18.1927, 37.3491)
Luminance0.1819 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307EA3 #A35530
analogous
#30A38F #307EA3 #3045A3
triadic
#307EA3 #A3307E #7EA330
tetradic
#307EA3 #8F30A3 #A35530 #45A330
square
#307EA3 #8F30A3 #A35530 #45A330
split-complementary
#307EA3 #A33045 #A38F30
monochromatic
#143544 #225974 #307EA3 #479FC9 #77B8D7

Accessibility & contrast

On white

4.53
#307EA3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.64
#307EA3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EA3
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307EA3#FFFFFF#000000##000000
##307EA31.004.534.644.64
#FFFFFF4.531.0021.0021.00
#0000004.6421.001.001.00
##0000004.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C7DA5
Deuteranopia (green-blind)
#5C71A2
Tritanopia (blue-blind)
#00888A
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #307ea3;
/* rgb */ color: rgb(48, 126, 163);
/* oklch */ color: oklch(56.2% 0.094 232.7);
Tailwind
colors: {
  custom: {
    50: '#77a3be',
    500: '#307ea3',
    950: '#000000',
  },
}
SCSS
$custom: #307ea3;
$custom-light: #77a3be;
$custom-dark: #000000;
JSON
{
  "hex": "#307ea3",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 163
  },
  "hsl": {
    "h": 199.304,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56166,
    "c": 0.09423,
    "h": 232.7
  },
  "luminance": 0.18194
}

Semantic roles & 50–950 ramp

primary
#307EA3
secondary
#BF8970
accent
#7A4ADE
background
#F7FAFB
surface
#EEF3F6
border
#C9CDD0
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #307EA3

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

Preview Lab → · Contrast checker → · Palette generator →

#307EA3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva