#3A78D6#3A78D6

#3A78D6 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.0% C 0.158 H 258.7°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3A78D6
RGB	rgb(58, 120, 214)
HSL	hsl(216, 66%, 53%)
HSV	hsv(216, 73%, 84%)
CMYK	cmyk(72.9%, 43.9%, 0%, 16.1%)
CIE-LAB	lab(50.90, 11.94, -54.10)
CIE-LCH	lch(50.90, 55.40, 282.44°)
OKLab	oklab(58.03% -0.031 -0.1549)
OKLCH	oklch(58.03% 0.158 258.7)
XYZ	xyz(20.5946, 19.1853, 66.2230)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A78D6 #D6983A

analogous

#3AC6D6 #3A78D6 #4A3AD6

triadic

#3A78D6 #D63A78 #78D63A

tetradic

#3A78D6 #D63AC6 #D6983A #3AD64A

square

#3A78D6 #D63AC6 #D6983A #3AD64A

split-complementary

#3A78D6 #D64A3A #C6D63A

monochromatic

#1A417C #245BAE #3A78D6 #6D9BE1 #9FBDEB

Accessibility & contrast

On white

4.34

#3A78D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#3A78D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A78D6

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A78D6	#FFFFFF	#000000	##000000
##3A78D6	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4981DA

Deuteranopia (green-blind)

#2B73D4

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3a78d6;
/* rgb */ color: rgb(58, 120, 214);
/* oklch */ color: oklch(58.0% 0.158 258.7);

Tailwind

colors: {
  custom: {
    50: '#849ee3',
    500: '#3a78d6',
    950: '#000000',
  },
}

SCSS

$custom: #3a78d6;
$custom-light: #849ee3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a78d6",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 214
  },
  "hsl": {
    "h": 216.154,
    "s": 65.546,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58031,
    "c": 0.15797,
    "h": 258.7
  },
  "luminance": 0.19188
}

Semantic roles & 50–950 ramp

primary

#3A78D6

secondary

#D7BD94

accent

#A53FE8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E15

muted

#7D7E84

Preview Lab

Preview with #3A78D6

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

Preview Lab → · Contrast checker → · Palette generator →