#3A75DE#3A75DE

#3A75DE is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.9% C 0.172 H 260.9°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3A75DE
RGB	rgb(58, 117, 222)
HSL	hsl(218, 71%, 55%)
HSV	hsv(218, 74%, 87%)
CMYK	cmyk(73.9%, 47.3%, 0%, 12.9%)
CIE-LAB	lab(50.56, 16.73, -59.17)
CIE-LCH	lch(50.56, 61.49, 285.79°)
OKLab	oklab(57.93% -0.0272 -0.1698)
OKLCH	oklch(57.93% 0.172 260.9)
XYZ	xyz(21.2863, 18.8937, 71.6181)
Luminance	0.1890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75DE #DEA33A

analogous

#3AC7DE #3A75DE #513ADE

triadic

#3A75DE #DE3A75 #75DE3A

tetradic

#3A75DE #DE3AC7 #DEA33A #3ADE51

square

#3A75DE #DE3AC7 #DEA33A #3ADE51

split-complementary

#3A75DE #DE513A #C7DE3A

monochromatic

#173F87 #1F58BB #3A75DE #6E9AE7 #A3BEF0

Accessibility & contrast

On white

4.39

#3A75DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3A75DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A75DE

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75DE	#FFFFFF	#000000	##000000
##3A75DE	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)

#3B80E2

Deuteranopia (green-blind)

#0771DC

Tritanopia (blue-blind)

#008E9F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a75de;
/* rgb */ color: rgb(58, 117, 222);
/* oklch */ color: oklch(57.9% 0.172 260.9);

Tailwind

colors: {
  custom: {
    50: '#859ce9',
    500: '#3a75de',
    950: '#000000',
  },
}

SCSS

$custom: #3a75de;
$custom-light: #859ce9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75de",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 222
  },
  "hsl": {
    "h": 218.415,
    "s": 71.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.57926,
    "c": 0.17201,
    "h": 260.9
  },
  "luminance": 0.18896
}

Semantic roles & 50–950 ramp

primary

#3A75DE

secondary

#DCC497

accent

#AD3AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3A75DE

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

Preview Lab → · Contrast checker → · Palette generator →