#3B75DE#3B75DE

#3B75DE is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.0% C 0.172 H 261.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B75DE
RGB	rgb(59, 117, 222)
HSL	hsl(219, 71%, 55%)
HSV	hsv(219, 73%, 87%)
CMYK	cmyk(73.4%, 47.3%, 0%, 12.9%)
CIE-LAB	lab(50.60, 16.86, -59.11)
CIE-LCH	lch(50.60, 61.47, 285.92°)
OKLab	oklab(57.96% -0.0265 -0.1697)
OKLCH	oklch(57.96% 0.172 261.1)
XYZ	xyz(21.3450, 18.9240, 71.6208)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B75DE #DEA43B

analogous

#3BC7DE #3B75DE #523BDE

triadic

#3B75DE #DE3B75 #75DE3B

tetradic

#3B75DE #DE3BC7 #DEA43B #3BDE52

square

#3B75DE #DE3BC7 #DEA43B #3BDE52

split-complementary

#3B75DE #DE523B #C7DE3B

monochromatic

#173F88 #2057BC #3B75DE #6F9AE7 #A4BFF0

Accessibility & contrast

On white

4.39

#3B75DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#3B75DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B75DE

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B75DE	#FFFFFF	#000000	##000000
##3B75DE	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B80E2

Deuteranopia (green-blind)

#0971DC

Tritanopia (blue-blind)

#008E9F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3b75de;
/* rgb */ color: rgb(59, 117, 222);
/* oklch */ color: oklch(58.0% 0.172 261.1);

Tailwind

colors: {
  custom: {
    50: '#869ce9',
    500: '#3b75de',
    950: '#000000',
  },
}

SCSS

$custom: #3b75de;
$custom-light: #869ce9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b75de",
  "rgb": {
    "r": 59,
    "g": 117,
    "b": 222
  },
  "hsl": {
    "h": 218.65,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57963,
    "c": 0.17171,
    "h": 261.1
  },
  "luminance": 0.18926
}

Semantic roles & 50–950 ramp

primary

#3B75DE

secondary

#DDC498

accent

#AE3AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3B75DE

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

Preview Lab → · Contrast checker → · Palette generator →