#3C78D1#3C78D1

#3C78D1 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.8% C 0.151 H 258.3°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3C78D1
RGB	rgb(60, 120, 209)
HSL	hsl(216, 62%, 53%)
HSV	hsv(216, 71%, 82%)
CMYK	cmyk(71.3%, 42.6%, 0%, 18%)
CIE-LAB	lab(50.68, 10.39, -51.62)
CIE-LCH	lch(50.68, 52.65, 281.39°)
OKLab	oklab(57.79% -0.0306 -0.1475)
OKLCH	oklch(57.79% 0.151 258.3)
XYZ	xyz(20.0844, 18.9949, 62.9171)
Luminance	0.1900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C78D1 #D1953C

analogous

#3CC2D1 #3C78D1 #4A3CD1

triadic

#3C78D1 #D13C78 #78D13C

tetradic

#3C78D1 #D13CC2 #D1953C #3CD14A

square

#3C78D1 #D13CC2 #D1953C #3CD14A

split-complementary

#3C78D1 #D14A3C #C2D13C

monochromatic

#1C4077 #285BA8 #3C78D1 #6E9ADD #9FBDE8

Accessibility & contrast

On white

4.38

#3C78D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#3C78D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C78D1

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C78D1	#FFFFFF	#000000	##000000
##3C78D1	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D80D4

Deuteranopia (green-blind)

#3372CF

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3c78d1;
/* rgb */ color: rgb(60, 120, 209);
/* oklch */ color: oklch(57.8% 0.151 258.3);

Tailwind

colors: {
  custom: {
    50: '#839edf',
    500: '#3c78d1',
    950: '#000000',
  },
}

SCSS

$custom: #3c78d1;
$custom-light: #839edf;
$custom-dark: #000000;

JSON

{
  "hex": "#3c78d1",
  "rgb": {
    "r": 60,
    "g": 120,
    "b": 209
  },
  "hsl": {
    "h": 215.839,
    "s": 61.826,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57785,
    "c": 0.15069,
    "h": 258.3
  },
  "luminance": 0.18997
}

Semantic roles & 50–950 ramp

primary

#3C78D1

secondary

#D5BB94

accent

#A443E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C78D1

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

Preview Lab → · Contrast checker → · Palette generator →