#3E78D8#3E78D8

#3E78D8 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.3% C 0.159 H 259.9°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3E78D8
RGB	rgb(62, 120, 216)
HSL	hsl(217, 66%, 55%)
HSV	hsv(217, 71%, 85%)
CMYK	cmyk(71.3%, 44.4%, 0%, 15.3%)
CIE-LAB	lab(51.17, 13.21, -54.80)
CIE-LCH	lch(51.17, 56.37, 283.55°)
OKLab	oklab(58.31% -0.0279 -0.1569)
OKLCH	oklch(58.31% 0.159 259.9)
XYZ	xyz(21.0933, 19.4127, 67.5878)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78D8 #D89E3E

analogous

#3EC5D8 #3E78D8 #513ED8

triadic

#3E78D8 #D83E78 #78D83E

tetradic

#3E78D8 #D83EC5 #D89E3E #3ED851

square

#3E78D8 #D83EC5 #D89E3E #3ED851

split-complementary

#3E78D8 #D8513E #C5D83E

monochromatic

#1A4181 #245BB4 #3E78D8 #719CE2 #A4BFED

Accessibility & contrast

On white

4.30

#3E78D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#3E78D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78D8

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78D8	#FFFFFF	#000000	##000000
##3E78D8	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4881DC

Deuteranopia (green-blind)

#2A73D6

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3e78d8;
/* rgb */ color: rgb(62, 120, 216);
/* oklch */ color: oklch(58.3% 0.159 259.9);

Tailwind

colors: {
  custom: {
    50: '#869ee4',
    500: '#3e78d8',
    950: '#000000',
  },
}

SCSS

$custom: #3e78d8;
$custom-light: #869ee4;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78d8",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 216
  },
  "hsl": {
    "h": 217.403,
    "s": 66.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58313,
    "c": 0.15935,
    "h": 259.9
  },
  "luminance": 0.19415
}

Semantic roles & 50–950 ramp

primary

#3E78D8

secondary

#D9C198

accent

#A93EE9

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3E78D8

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

Preview Lab → · Contrast checker → · Palette generator →