#3E75D9#3E75D9

#3E75D9 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.7% C 0.164 H 261.2°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3E75D9
RGB	rgb(62, 117, 217)
HSL	hsl(219, 67%, 55%)
HSV	hsv(219, 71%, 85%)
CMYK	cmyk(71.4%, 46.1%, 0%, 14.9%)
CIE-LAB	lab(50.40, 15.44, -56.60)
CIE-LCH	lch(50.40, 58.67, 285.25°)
OKLab	oklab(57.74% -0.0251 -0.1622)
OKLCH	oklch(57.74% 0.164 261.2)
XYZ	xyz(20.8678, 18.7542, 68.1523)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E75D9 #D9A23E

analogous

#3EC2D9 #3E75D9 #553ED9

triadic

#3E75D9 #D93E75 #75D93E

tetradic

#3E75D9 #D93EC2 #D9A23E #3ED955

square

#3E75D9 #D93EC2 #D9A23E #3ED955

split-complementary

#3E75D9 #D9553E #C2D93E

monochromatic

#1A3F83 #2458B6 #3E75D9 #719AE3 #A4BEED

Accessibility & contrast

On white

4.42

#3E75D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3E75D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E75D9

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E75D9	#FFFFFF	#000000	##000000
##3E75D9	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4180DD

Deuteranopia (green-blind)

#1D71D7

Tritanopia (blue-blind)

#008C9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3e75d9;
/* rgb */ color: rgb(62, 117, 217);
/* oklch */ color: oklch(57.7% 0.164 261.2);

Tailwind

colors: {
  custom: {
    50: '#869ce5',
    500: '#3e75d9',
    950: '#000000',
  },
}

SCSS

$custom: #3e75d9;
$custom-light: #869ce5;
$custom-dark: #000000;

JSON

{
  "hex": "#3e75d9",
  "rgb": {
    "r": 62,
    "g": 117,
    "b": 217
  },
  "hsl": {
    "h": 218.71,
    "s": 67.1,
    "l": 54.706
  },
  "oklch": {
    "l": 0.57741,
    "c": 0.16416,
    "h": 261.2
  },
  "luminance": 0.18756
}

Semantic roles & 50–950 ramp

primary

#3E75D9

secondary

#DAC399

accent

#AD3EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3E75D9

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

Preview Lab → · Contrast checker → · Palette generator →