#3E78D2#3E78D2

#3E78D2 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 57.9% C 0.151 H 259.0°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3E78D2
RGB	rgb(62, 120, 210)
HSL	hsl(216, 62%, 53%)
HSV	hsv(216, 70%, 82%)
CMYK	cmyk(70.5%, 42.9%, 0%, 17.6%)
CIE-LAB	lab(50.81, 11.04, -51.97)
CIE-LCH	lch(50.81, 53.13, 281.99°)
OKLab	oklab(57.93% -0.029 -0.1486)
OKLCH	oklch(57.93% 0.151 259)
XYZ	xyz(20.3317, 19.1081, 63.5770)
Luminance	0.1911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78D2 #D2983E

analogous

#3EC2D2 #3E78D2 #4E3ED2

triadic

#3E78D2 #D23E78 #78D23E

tetradic

#3E78D2 #D23EC2 #D2983E #3ED24E

square

#3E78D2 #D23EC2 #D2983E #3ED24E

split-complementary

#3E78D2 #D24E3E #C2D23E

monochromatic

#1C4179 #285BAB #3E78D2 #709BDE #A1BDE9

Accessibility & contrast

On white

4.36

#3E78D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#3E78D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78D2

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78D2	#FFFFFF	#000000	##000000
##3E78D2	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C80D5

Deuteranopia (green-blind)

#3273D0

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3e78d2;
/* rgb */ color: rgb(62, 120, 210);
/* oklch */ color: oklch(57.9% 0.151 259.0);

Tailwind

colors: {
  custom: {
    50: '#849ee0',
    500: '#3e78d2',
    950: '#000000',
  },
}

SCSS

$custom: #3e78d2;
$custom-light: #849ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78d2",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 210
  },
  "hsl": {
    "h": 216.486,
    "s": 62.185,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57926,
    "c": 0.15136,
    "h": 259
  },
  "luminance": 0.1911
}

Semantic roles & 50–950 ramp

primary

#3E78D2

secondary

#D6BD96

accent

#A543E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E78D2

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

Preview Lab → · Contrast checker → · Palette generator →