#3E78D9#3E78D9

#3E78D9 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.4% C 0.161 H 260.1°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3E78D9
RGB	rgb(62, 120, 217)
HSL	hsl(218, 67%, 55%)
HSV	hsv(218, 71%, 85%)
CMYK	cmyk(71.4%, 44.7%, 0%, 14.9%)
CIE-LAB	lab(51.23, 13.57, -55.27)
CIE-LCH	lch(51.23, 56.91, 283.79°)
OKLab	oklab(58.38% -0.0277 -0.1583)
OKLCH	oklch(58.38% 0.161 260.1)
XYZ	xyz(21.2229, 19.4645, 68.2707)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78D9 #D99F3E

analogous

#3EC6D9 #3E78D9 #513ED9

triadic

#3E78D9 #D93E78 #78D93E

tetradic

#3E78D9 #D93EC6 #D99F3E #3ED951

square

#3E78D9 #D93EC6 #D99F3E #3ED951

split-complementary

#3E78D9 #D9513E #C6D93E

monochromatic

#1A4183 #245BB6 #3E78D9 #719CE3 #A4C0ED

Accessibility & contrast

On white

4.29

#3E78D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3E78D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78D9

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78D9	#FFFFFF	#000000	##000000
##3E78D9	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4782DD

Deuteranopia (green-blind)

#2873D7

Tritanopia (blue-blind)

#008F9E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3e78d9;
/* rgb */ color: rgb(62, 120, 217);
/* oklch */ color: oklch(58.4% 0.161 260.1);

Tailwind

colors: {
  custom: {
    50: '#869ee5',
    500: '#3e78d9',
    950: '#000000',
  },
}

SCSS

$custom: #3e78d9;
$custom-light: #869ee5;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78d9",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 217
  },
  "hsl": {
    "h": 217.548,
    "s": 67.1,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58378,
    "c": 0.16067,
    "h": 260.1
  },
  "luminance": 0.19467
}

Semantic roles & 50–950 ramp

primary

#3E78D9

secondary

#DAC299

accent

#AA3EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3E78D9

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

Preview Lab → · Contrast checker → · Palette generator →