#3E78D4#3E78D4

#3E78D4 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.1% C 0.154 H 259.3°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3E78D4
RGB	rgb(62, 120, 212)
HSL	hsl(217, 64%, 54%)
HSV	hsv(217, 71%, 83%)
CMYK	cmyk(70.8%, 43.4%, 0%, 16.9%)
CIE-LAB	lab(50.93, 11.76, -52.92)
CIE-LCH	lch(50.93, 54.21, 282.53°)
OKLab	oklab(58.05% -0.0286 -0.1513)
OKLCH	oklch(58.05% 0.154 259.3)
XYZ	xyz(20.5825, 19.2083, 64.8974)
Luminance	0.1921 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78D4 #D49A3E

analogous

#3EC3D4 #3E78D4 #4F3ED4

triadic

#3E78D4 #D43E78 #78D43E

tetradic

#3E78D4 #D43EC3 #D49A3E #3ED44F

square

#3E78D4 #D43EC3 #D49A3E #3ED44F

split-complementary

#3E78D4 #D44F3E #C3D43E

monochromatic

#1C417C #275BAE #3E78D4 #709BDF #A2BEEA

Accessibility & contrast

On white

4.34

#3E78D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#3E78D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78D4

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78D4	#FFFFFF	#000000	##000000
##3E78D4	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)

#4B81D8

Deuteranopia (green-blind)

#3073D2

Tritanopia (blue-blind)

#008D9C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3e78d4;
/* rgb */ color: rgb(62, 120, 212);
/* oklch */ color: oklch(58.1% 0.154 259.3);

Tailwind

colors: {
  custom: {
    50: '#859ee2',
    500: '#3e78d4',
    950: '#000000',
  },
}

SCSS

$custom: #3e78d4;
$custom-light: #859ee2;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78d4",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 212
  },
  "hsl": {
    "h": 216.8,
    "s": 63.559,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58054,
    "c": 0.15402,
    "h": 259.3
  },
  "luminance": 0.19211
}

Semantic roles & 50–950 ramp

primary

#3E78D4

secondary

#D7BE97

accent

#A741E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E78D4

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

Preview Lab → · Contrast checker → · Palette generator →