#3A73D3#3A73D3

#3A73D3 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.8% C 0.160 H 260.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A73D3
RGB	rgb(58, 115, 211)
HSL	hsl(218, 63%, 53%)
HSV	hsv(218, 73%, 83%)
CMYK	cmyk(72.5%, 45.5%, 0%, 17.3%)
CIE-LAB	lab(49.33, 13.96, -54.92)
CIE-LCH	lch(49.33, 56.67, 284.26°)
OKLab	oklab(56.76% -0.0272 -0.1574)
OKLCH	oklch(56.76% 0.16 260.2)
XYZ	xyz(19.6293, 17.8620, 64.0286)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73D3 #D39A3A

analogous

#3ABFD3 #3A73D3 #4D3AD3

triadic

#3A73D3 #D33A73 #73D33A

tetradic

#3A73D3 #D33ABF #D39A3A #3AD34D

square

#3A73D3 #D33ABF #D39A3A #3AD34D

split-complementary

#3A73D3 #D34D3A #BFD33A

monochromatic

#1B3D78 #2657AA #3A73D3 #6C97DE #9EBAE9

Accessibility & contrast

On white

4.59

#3A73D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3A73D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A73D3

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73D3	#FFFFFF	#000000	##FFFFFF
##3A73D3	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417DD7

Deuteranopia (green-blind)

#206FD1

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a73d3;
/* rgb */ color: rgb(58, 115, 211);
/* oklch */ color: oklch(56.8% 0.160 260.2);

Tailwind

colors: {
  custom: {
    50: '#839ae1',
    500: '#3a73d3',
    950: '#000000',
  },
}

SCSS

$custom: #3a73d3;
$custom-light: #839ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73d3",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 211
  },
  "hsl": {
    "h": 217.647,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.56758,
    "c": 0.15973,
    "h": 260.2
  },
  "luminance": 0.17864
}

Semantic roles & 50–950 ramp

primary

#3A73D3

secondary

#D6BD93

accent

#A941E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A73D3

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

Preview Lab → · Contrast checker → · Palette generator →