#3A78CE#3A78CE

#3A78CE is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.5% C 0.147 H 257.2°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3A78CE
RGB	rgb(58, 120, 206)
HSL	hsl(215, 60%, 52%)
HSV	hsv(215, 72%, 81%)
CMYK	cmyk(71.8%, 41.7%, 0%, 19.2%)
CIE-LAB	lab(50.44, 9.02, -50.30)
CIE-LCH	lch(50.44, 51.11, 280.17°)
OKLab	oklab(57.52% -0.0326 -0.1437)
OKLCH	oklch(57.52% 0.147 257.2)
XYZ	xyz(19.5979, 18.7866, 60.9739)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A78CE #CE903A

analogous

#3AC2CE #3A78CE #463ACE

triadic

#3A78CE #CE3A78 #78CE3A

tetradic

#3A78CE #CE3AC2 #CE903A #3ACE46

square

#3A78CE #CE3AC2 #CE903A #3ACE46

split-complementary

#3A78CE #CE463A #C2CE3A

monochromatic

#1C4071 #285CA2 #3A78CE #6B9ADA #9CBBE6

Accessibility & contrast

On white

4.41

#3A78CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3A78CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A78CE

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A78CE	#FFFFFF	#000000	##000000
##3A78CE	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7FD1

Deuteranopia (green-blind)

#3672CC

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a78ce;
/* rgb */ color: rgb(58, 120, 206);
/* oklch */ color: oklch(57.5% 0.147 257.2);

Tailwind

colors: {
  custom: {
    50: '#829edd',
    500: '#3a78ce',
    950: '#000000',
  },
}

SCSS

$custom: #3a78ce;
$custom-light: #829edd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a78ce",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 206
  },
  "hsl": {
    "h": 214.865,
    "s": 60.163,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57519,
    "c": 0.14739,
    "h": 257.2
  },
  "luminance": 0.18789
}

Semantic roles & 50–950 ramp

primary

#3A78CE

secondary

#D2B791

accent

#A144E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A78CE

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

Preview Lab → · Contrast checker → · Palette generator →