#3E78CE#3E78CE

#3E78CE is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.7% C 0.146 H 258.2°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3E78CE
RGB	rgb(62, 120, 206)
HSL	hsl(216, 60%, 53%)
HSV	hsv(216, 70%, 81%)
CMYK	cmyk(69.9%, 41.7%, 0%, 19.2%)
CIE-LAB	lab(50.58, 9.60, -50.06)
CIE-LCH	lch(50.58, 50.97, 280.86°)
OKLab	oklab(57.67% -0.0298 -0.143)
OKLCH	oklch(57.67% 0.146 258.2)
XYZ	xyz(19.8396, 18.9112, 60.9852)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78CE #CE943E

analogous

#3EC0CE #3E78CE #4C3ECE

triadic

#3E78CE #CE3E78 #78CE3E

tetradic

#3E78CE #CE3EC0 #CE943E #3ECE4C

square

#3E78CE #CE3EC0 #CE943E #3ECE4C

split-complementary

#3E78CE #CE4C3E #C0CE3E

monochromatic

#1D4074 #2A5BA5 #3E78CE #6F9ADA #A0BCE7

Accessibility & contrast

On white

4.39

#3E78CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3E78CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78CE

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78CE	#FFFFFF	#000000	##000000
##3E78CE	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F80D1

Deuteranopia (green-blind)

#3772CC

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3e78ce;
/* rgb */ color: rgb(62, 120, 206);
/* oklch */ color: oklch(57.7% 0.146 258.2);

Tailwind

colors: {
  custom: {
    50: '#849edd',
    500: '#3e78ce',
    950: '#000000',
  },
}

SCSS

$custom: #3e78ce;
$custom-light: #849edd;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78ce",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 206
  },
  "hsl": {
    "h": 215.833,
    "s": 59.504,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57674,
    "c": 0.14603,
    "h": 258.2
  },
  "luminance": 0.18913
}

Semantic roles & 50–950 ramp

primary

#3E78CE

secondary

#D3BA95

accent

#A345E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E78CE

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

Preview Lab → · Contrast checker → · Palette generator →