#3A73D4#3A73D4

#3A73D4 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.8% C 0.161 H 260.3°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#3A73D4
RGB	rgb(58, 115, 212)
HSL	hsl(218, 64%, 53%)
HSV	hsv(218, 73%, 83%)
CMYK	cmyk(72.6%, 45.8%, 0%, 16.9%)
CIE-LAB	lab(49.39, 14.32, -55.39)
CIE-LCH	lch(49.39, 57.22, 284.50°)
OKLab	oklab(56.83% -0.0271 -0.1588)
OKLCH	oklch(56.83% 0.161 260.3)
XYZ	xyz(19.7550, 17.9123, 64.6909)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73D4 #D49B3A

analogous

#3AC0D4 #3A73D4 #4E3AD4

triadic

#3A73D4 #D43A73 #73D43A

tetradic

#3A73D4 #D43AC0 #D49B3A #3AD44E

square

#3A73D4 #D43AC0 #D49B3A #3AD44E

split-complementary

#3A73D4 #D44E3A #C0D43A

monochromatic

#1A3D79 #2557AB #3A73D4 #6C97DF #9EBAEA

Accessibility & contrast

On white

4.58

#3A73D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3A73D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A73D4

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73D4	#FFFFFF	#000000	##000000
##3A73D4	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#407DD8

Deuteranopia (green-blind)

#1E6FD2

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a73d4;
/* rgb */ color: rgb(58, 115, 212);
/* oklch */ color: oklch(56.8% 0.161 260.3);

Tailwind

colors: {
  custom: {
    50: '#839ae2',
    500: '#3a73d4',
    950: '#000000',
  },
}

SCSS

$custom: #3a73d4;
$custom-light: #839ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73d4",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 212
  },
  "hsl": {
    "h": 217.792,
    "s": 64.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56825,
    "c": 0.16106,
    "h": 260.3
  },
  "luminance": 0.17914
}

Semantic roles & 50–950 ramp

primary

#3A73D4

secondary

#D6BE94

accent

#AA41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A73D4

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

Preview Lab → · Contrast checker → · Palette generator →