#3A78CD#3A78CD

#3A78CD is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.5% C 0.146 H 257.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#3A78CD
RGBrgb(58, 120, 205)
HSLhsl(215, 60%, 52%)
HSVhsv(215, 72%, 80%)
CMYKcmyk(71.7%, 41.5%, 0%, 19.6%)
CIE-LABlab(50.38, 8.66, -49.83)
CIE-LCHlch(50.38, 50.57, 279.86°)
OKLaboklab(57.46% -0.0328 -0.1423)
OKLCHoklch(57.46% 0.146 257)
XYZxyz(19.4768, 18.7381, 60.3361)
Luminance0.1874 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A78CD #CD8F3A
analogous
#3AC1CD #3A78CD #463ACD
triadic
#3A78CD #CD3A78 #78CD3A
tetradic
#3A78CD #CD3AC1 #CD8F3A #3ACD46
square
#3A78CD #CD3AC1 #CD8F3A #3ACD46
split-complementary
#3A78CD #CD463A #C1CD3A
monochromatic
#1C4070 #295CA1 #3A78CD #6B99D9 #9CBBE6

Accessibility & contrast

On white

4.42
#3A78CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.75
#3A78CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A78CD
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A78CD#FFFFFF#000000##000000
##3A78CD1.004.424.754.75
#FFFFFF4.421.0021.0021.00
#0000004.7521.001.001.00
##0000004.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#4F7FD0
Deuteranopia (green-blind)
#3772CB
Tritanopia (blue-blind)
#008C98
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #3a78cd;
/* rgb */ color: rgb(58, 120, 205);
/* oklch */ color: oklch(57.5% 0.146 257.0);
Tailwind
colors: {
  custom: {
    50: '#829edd',
    500: '#3a78cd',
    950: '#000000',
  },
}
SCSS
$custom: #3a78cd;
$custom-light: #829edd;
$custom-dark: #000000;
JSON
{
  "hex": "#3a78cd",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 214.694,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57456,
    "c": 0.14606,
    "h": 257
  },
  "luminance": 0.1874
}

Semantic roles & 50–950 ramp

primary
#3A78CD
secondary
#D2B691
accent
#A045E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3A78CD

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

Preview Lab → · Contrast checker → · Palette generator →

#3A78CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva