#3C78E1#3C78E1

#3C78E1 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.8% C 0.172 H 260.7°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3C78E1
RGB	rgb(60, 120, 225)
HSL	hsl(218, 73%, 56%)
HSV	hsv(218, 73%, 88%)
CMYK	cmyk(73.3%, 46.7%, 0%, 11.8%)
CIE-LAB	lab(51.64, 16.21, -59.12)
CIE-LCH	lch(51.64, 61.30, 285.33°)
OKLab	oklab(58.84% -0.0278 -0.1696)
OKLCH	oklch(58.84% 0.172 260.7)
XYZ	xyz(22.1657, 19.8274, 73.8784)
Luminance	0.1983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C78E1 #E1A53C

analogous

#3CCAE1 #3C78E1 #523CE1

triadic

#3C78E1 #E13C78 #78E13C

tetradic

#3C78E1 #E13CCA #E1A53C #3CE152

square

#3C78E1 #E13CCA #E1A53C #3CE152

split-complementary

#3C78E1 #E1523C #CAE13C

monochromatic

#16418D #1E5AC2 #3C78E1 #719DE9 #A6C1F1

Accessibility & contrast

On white

4.23

#3C78E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3C78E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C78E1

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C78E1	#FFFFFF	#000000	##000000
##3C78E1	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F83E5

Deuteranopia (green-blind)

#1374DF

Tritanopia (blue-blind)

#0091A2

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3c78e1;
/* rgb */ color: rgb(60, 120, 225);
/* oklch */ color: oklch(58.8% 0.172 260.7);

Tailwind

colors: {
  custom: {
    50: '#879eeb',
    500: '#3c78e1',
    950: '#000000',
  },
}

SCSS

$custom: #3c78e1;
$custom-light: #879eeb;
$custom-dark: #000000;

JSON

{
  "hex": "#3c78e1",
  "rgb": {
    "r": 60,
    "g": 120,
    "b": 225
  },
  "hsl": {
    "h": 218.182,
    "s": 73.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.58835,
    "c": 0.17188,
    "h": 260.7
  },
  "luminance": 0.1983
}

Semantic roles & 50–950 ramp

primary

#3C78E1

secondary

#DFC69A

accent

#AD38F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3C78E1

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

Preview Lab → · Contrast checker → · Palette generator →