#3A78BD#3A78BD

#3A78BD is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.125 H 253.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#3A78BD
RGBrgb(58, 120, 189)
HSLhsl(212, 53%, 48%)
HSVhsv(212, 69%, 74%)
CMYKcmyk(69.3%, 36.5%, 0%, 25.9%)
CIE-LABlab(49.50, 2.89, -42.06)
CIE-LCHlch(49.50, 42.16, 273.93°)
OKLaboklab(56.49% -0.0366 -0.1196)
OKLCHoklch(56.49% 0.125 253)
XYZxyz(17.6433, 18.0047, 50.6797)
Luminance0.1801 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A78BD #BD7F3A
analogous
#3AB9BD #3A78BD #3D3ABD
triadic
#3A78BD #BD3A78 #78BD3A
tetradic
#3A78BD #BD3AB9 #BD7F3A #3ABD3D
square
#3A78BD #BD3AB9 #BD7F3A #3ABD3D
split-complementary
#3A78BD #BD3D3A #B9BD3A
monochromatic
#1D3D5F #2C5A8E #3A78BD #6597D0 #93B7DE

Accessibility & contrast

On white

4.56
#3A78BD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#3A78BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A78BD
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A78BD#FFFFFF#000000##000000
##3A78BD1.004.564.604.60
#FFFFFF4.561.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#597CC0
Deuteranopia (green-blind)
#4670BC
Tritanopia (blue-blind)
#008891
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3a78bd;
/* rgb */ color: rgb(58, 120, 189);
/* oklch */ color: oklch(56.5% 0.125 253.0);
Tailwind
colors: {
  custom: {
    50: '#7f9ed1',
    500: '#3a78bd',
    950: '#000000',
  },
}
SCSS
$custom: #3a78bd;
$custom-light: #7f9ed1;
$custom-dark: #000000;
JSON
{
  "hex": "#3a78bd",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 211.603,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56487,
    "c": 0.12502,
    "h": 253
  },
  "luminance": 0.18007
}

Semantic roles & 50–950 ramp

primary
#3A78BD
secondary
#C9AB8A
accent
#984BDC
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82

Preview Lab

Preview with #3A78BD

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

Preview Lab → · Contrast checker → · Palette generator →

#3A78BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva