#307CAF#307CAF

#307CAF is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.108 H 241.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#307CAF
RGBrgb(48, 124, 175)
HSLhsl(204, 57%, 44%)
HSVhsv(204, 73%, 69%)
CMYKcmyk(72.6%, 29.1%, 0%, 31.4%)
CIE-LABlab(49.66, -6.02, -33.75)
CIE-LCHlch(49.66, 34.28, 259.88°)
OKLaboklab(56.29% -0.051 -0.0954)
OKLCHoklch(56.29% 0.108 241.9)
XYZxyz(16.1614, 18.1370, 43.1982)
Luminance0.1814 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307CAF #AF6330
analogous
#30AFA2 #307CAF #303DAF
triadic
#307CAF #AF307C #7CAF30
tetradic
#307CAF #A230AF #AF6330 #3DAF30
square
#307CAF #A230AF #AF6330 #3DAF30
split-complementary
#307CAF #AF303D #AFA230
monochromatic
#16384F #235A7F #307CAF #4E9BCE #7EB6DC

Accessibility & contrast

On white

4.54
#307CAF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.63
#307CAF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CAF
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307CAF#FFFFFF#000000##000000
##307CAF1.004.544.634.63
#FFFFFF4.541.0021.0021.00
#0000004.6321.001.001.00
##0000004.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#657DB1
Deuteranopia (green-blind)
#5371AE
Tritanopia (blue-blind)
#00898E
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #307caf;
/* rgb */ color: rgb(48, 124, 175);
/* oklch */ color: oklch(56.3% 0.108 241.9);
Tailwind
colors: {
  custom: {
    50: '#79a1c7',
    500: '#307caf',
    950: '#000000',
  },
}
SCSS
$custom: #307caf;
$custom-light: #79a1c7;
$custom-dark: #000000;
JSON
{
  "hex": "#307caf",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 175
  },
  "hsl": {
    "h": 204.094,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56292,
    "c": 0.10815,
    "h": 241.9
  },
  "luminance": 0.18139
}

Semantic roles & 50–950 ramp

primary
#307CAF
secondary
#C49676
accent
#8548E0
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0F13
muted
#7C7E82

Preview Lab

Preview with #307CAF

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

Preview Lab → · Contrast checker → · Palette generator →

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