#3A72D3#3A72D3

#3A72D3 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.5% C 0.161 H 260.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3A72D3
RGB	rgb(58, 114, 211)
HSL	hsl(218, 63%, 53%)
HSV	hsv(218, 73%, 83%)
CMYK	cmyk(72.5%, 46%, 0%, 17.3%)
CIE-LAB	lab(49.05, 14.59, -55.37)
CIE-LCH	lch(49.05, 57.26, 284.76°)
OKLab	oklab(56.54% -0.0264 -0.1587)
OKLCH	oklch(56.54% 0.161 260.6)
XYZ	xyz(19.5159, 17.6352, 63.9908)
Luminance	0.1764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A72D3 #D39B3A

analogous

#3ABED3 #3A72D3 #4E3AD3

triadic

#3A72D3 #D33A72 #72D33A

tetradic

#3A72D3 #D33ABE #D39B3A #3AD34E

square

#3A72D3 #D33ABE #D39B3A #3AD34E

split-complementary

#3A72D3 #D34E3A #BED33A

monochromatic

#1B3D78 #2656AA #3A72D3 #6C96DE #9EBAE9

Accessibility & contrast

On white

4.64

#3A72D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3A72D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A72D3

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A72D3	#FFFFFF	#000000	##FFFFFF
##3A72D3	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7CD7

Deuteranopia (green-blind)

#1C6ED1

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a72d3;
/* rgb */ color: rgb(58, 114, 211);
/* oklch */ color: oklch(56.5% 0.161 260.6);

Tailwind

colors: {
  custom: {
    50: '#8399e1',
    500: '#3a72d3',
    950: '#000000',
  },
}

SCSS

$custom: #3a72d3;
$custom-light: #8399e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a72d3",
  "rgb": {
    "r": 58,
    "g": 114,
    "b": 211
  },
  "hsl": {
    "h": 218.039,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.56544,
    "c": 0.1609,
    "h": 260.6
  },
  "luminance": 0.17637
}

Semantic roles & 50–950 ramp

primary

#3A72D3

secondary

#D6BD93

accent

#AA41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A72D3

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

Preview Lab → · Contrast checker → · Palette generator →