#3A73D9#3A73D9

#3A73D9 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.168 H 261.0°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3A73D9
RGB	rgb(58, 115, 217)
HSL	hsl(218, 68%, 54%)
HSV	hsv(218, 73%, 85%)
CMYK	cmyk(73.3%, 47%, 0%, 14.9%)
CIE-LAB	lab(49.70, 16.15, -57.73)
CIE-LCH	lch(49.70, 59.95, 285.63°)
OKLab	oklab(57.16% -0.0263 -0.1656)
OKLCH	oklch(57.16% 0.168 261)
XYZ	xyz(20.3955, 18.1685, 68.0642)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73D9 #D9A03A

analogous

#3AC2D9 #3A73D9 #513AD9

triadic

#3A73D9 #D93A73 #73D93A

tetradic

#3A73D9 #D93AC2 #D9A03A #3AD951

square

#3A73D9 #D93AC2 #D9A03A #3AD951

split-complementary

#3A73D9 #D9513A #C2D93A

monochromatic

#193E80 #2356B3 #3A73D9 #6D97E3 #A1BCED

Accessibility & contrast

On white

4.53

#3A73D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#3A73D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A73D9

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73D9	#FFFFFF	#000000	##000000
##3A73D9	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7EDD

Deuteranopia (green-blind)

#0F6FD7

Tritanopia (blue-blind)

#008B9B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3a73d9;
/* rgb */ color: rgb(58, 115, 217);
/* oklch */ color: oklch(57.2% 0.168 261.0);

Tailwind

colors: {
  custom: {
    50: '#849ae5',
    500: '#3a73d9',
    950: '#000000',
  },
}

SCSS

$custom: #3a73d9;
$custom-light: #849ae5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73d9",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 217
  },
  "hsl": {
    "h": 218.491,
    "s": 67.66,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57163,
    "c": 0.16772,
    "h": 261
  },
  "luminance": 0.18171
}

Semantic roles & 50–950 ramp

primary

#3A73D9

secondary

#D9C195

accent

#AC3DEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3A73D9

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

Preview Lab → · Contrast checker → · Palette generator →