#307EBA#307EBA

#307EBA is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.4% C 0.119 H 245.5°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX#307EBA
RGBrgb(48, 126, 186)
HSLhsl(206, 59%, 46%)
HSVhsv(206, 74%, 73%)
CMYKcmyk(74.2%, 32.3%, 0%, 27.1%)
CIE-LABlab(50.80, -3.25, -38.31)
CIE-LCHlch(50.80, 38.45, 265.15°)
OKLaboklab(57.36% -0.0495 -0.1086)
OKLCHoklch(57.36% 0.119 245.5)
XYZxyz(17.5393, 19.0932, 49.2058)
Luminance0.1910 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307EBA #BA6C30
analogous
#30BAB1 #307EBA #3039BA
triadic
#307EBA #BA307E #7EBA30
tetradic
#307EBA #B130BA #BA6C30 #39BA30
square
#307EBA #B130BA #BA6C30 #39BA30
split-complementary
#307EBA #BA3039 #BAB130
monochromatic
#173C59 #235D89 #307EBA #549CD3 #85B8DF

Accessibility & contrast

On white

4.36
#307EBA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.82
#307EBA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EBA
4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307EBA#FFFFFF#000000##000000
##307EBA1.004.364.824.82
#FFFFFF4.361.0021.0021.00
#0000004.8221.001.001.00
##0000004.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6380BD
Deuteranopia (green-blind)
#4F73B9
Tritanopia (blue-blind)
#008D93
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #307eba;
/* rgb */ color: rgb(48, 126, 186);
/* oklch */ color: oklch(57.4% 0.119 245.5);
Tailwind
colors: {
  custom: {
    50: '#7ba3cf',
    500: '#307eba',
    950: '#000000',
  },
}
SCSS
$custom: #307eba;
$custom-light: #7ba3cf;
$custom-dark: #000000;
JSON
{
  "hex": "#307eba",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 186
  },
  "hsl": {
    "h": 206.087,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.57363,
    "c": 0.11939,
    "h": 245.5
  },
  "luminance": 0.19095
}

Semantic roles & 50–950 ramp

primary
#307EBA
secondary
#C99E7D
accent
#8A46E2
background
#F8FAFC
surface
#EFF3F9
border
#CACDD2
text
#0B0F14
muted
#7C7F82

Preview Lab

Preview with #307EBA

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

Preview Lab → · Contrast checker → · Palette generator →

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