#3A78C7#3A78C7

#3A78C7 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.1% C 0.138 H 255.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3A78C7
RGB	rgb(58, 120, 199)
HSL	hsl(214, 56%, 50%)
HSV	hsv(214, 71%, 78%)
CMYK	cmyk(70.9%, 39.7%, 0%, 22%)
CIE-LAB	lab(50.04, 6.49, -46.94)
CIE-LCH	lch(50.04, 47.39, 277.87°)
OKLab	oklab(57.08% -0.0341 -0.1338)
OKLCH	oklch(57.08% 0.138 255.7)
XYZ	xyz(18.7664, 18.4540, 56.5947)
Luminance	0.1846 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A78C7 #C7893A

analogous

#3ABEC7 #3A78C7 #423AC7

triadic

#3A78C7 #C73A78 #78C73A

tetradic

#3A78C7 #C73ABE #C7893A #3AC742

square

#3A78C7 #C73ABE #C7893A #3AC742

split-complementary

#3A78C7 #C7423A #BEC73A

monochromatic

#1E3F69 #2B5B98 #3A78C7 #6A99D5 #99B9E2

Accessibility & contrast

On white

4.48

#3A78C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#3A78C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A78C7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A78C7	#FFFFFF	#000000	##000000
##3A78C7	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537ECA

Deuteranopia (green-blind)

#3D71C5

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3a78c7;
/* rgb */ color: rgb(58, 120, 199);
/* oklch */ color: oklch(57.1% 0.138 255.7);

Tailwind

colors: {
  custom: {
    50: '#819ed8',
    500: '#3a78c7',
    950: '#000000',
  },
}

SCSS

$custom: #3a78c7;
$custom-light: #819ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a78c7",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 199
  },
  "hsl": {
    "h": 213.617,
    "s": 55.731,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57085,
    "c": 0.13814,
    "h": 255.7
  },
  "luminance": 0.18456
}

Semantic roles & 50–950 ramp

primary

#3A78C7

secondary

#CEB28F

accent

#9D49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3A78C7

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

Preview Lab → · Contrast checker → · Palette generator →