#3E75DB#3E75DB

#3E75DB is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.9% C 0.167 H 261.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3E75DB
RGB	rgb(62, 117, 219)
HSL	hsl(219, 69%, 55%)
HSV	hsv(219, 72%, 86%)
CMYK	cmyk(71.7%, 46.6%, 0%, 14.1%)
CIE-LAB	lab(50.52, 16.16, -57.53)
CIE-LCH	lch(50.52, 59.76, 285.69°)
OKLab	oklab(57.88% -0.0248 -0.165)
OKLCH	oklch(57.88% 0.167 261.5)
XYZ	xyz(21.1295, 18.8589, 69.5307)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E75DB #DBA43E

analogous

#3EC3DB #3E75DB #563EDB

triadic

#3E75DB #DB3E75 #75DB3E

tetradic

#3E75DB #DB3EC3 #DBA43E #3EDB56

square

#3E75DB #DB3EC3 #DBA43E #3EDB56

split-complementary

#3E75DB #DB563E #C3DB3E

monochromatic

#193F86 #2357B9 #3E75DB #729AE5 #A5BFEE

Accessibility & contrast

On white

4.40

#3E75DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3E75DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E75DB

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E75DB	#FFFFFF	#000000	##000000
##3E75DB	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F80DF

Deuteranopia (green-blind)

#1872D9

Tritanopia (blue-blind)

#008D9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3e75db;
/* rgb */ color: rgb(62, 117, 219);
/* oklch */ color: oklch(57.9% 0.167 261.5);

Tailwind

colors: {
  custom: {
    50: '#869ce7',
    500: '#3e75db',
    950: '#000000',
  },
}

SCSS

$custom: #3e75db;
$custom-light: #869ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#3e75db",
  "rgb": {
    "r": 62,
    "g": 117,
    "b": 219
  },
  "hsl": {
    "h": 218.981,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57876,
    "c": 0.16682,
    "h": 261.5
  },
  "luminance": 0.18861
}

Semantic roles & 50–950 ramp

primary

#3E75DB

secondary

#DBC499

accent

#AE3CEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3E75DB

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

Preview Lab → · Contrast checker → · Palette generator →