#3A72D9#3A72D9

#3A72D9 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.0% C 0.169 H 261.3°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A72D9
RGB	rgb(58, 114, 217)
HSL	hsl(219, 68%, 54%)
HSV	hsv(219, 73%, 85%)
CMYK	cmyk(73.3%, 47.5%, 0%, 14.9%)
CIE-LAB	lab(49.43, 16.78, -58.17)
CIE-LCH	lch(49.43, 60.55, 286.09°)
OKLab	oklab(56.95% -0.0254 -0.167)
OKLCH	oklch(56.95% 0.169 261.3)
XYZ	xyz(20.2821, 17.9417, 68.0264)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A72D9 #D9A13A

analogous

#3AC2D9 #3A72D9 #523AD9

triadic

#3A72D9 #D93A72 #72D93A

tetradic

#3A72D9 #D93AC2 #D9A13A #3AD952

square

#3A72D9 #D93AC2 #D9A13A #3AD952

split-complementary

#3A72D9 #D9523A #C2D93A

monochromatic

#193D80 #2356B3 #3A72D9 #6D97E3 #A1BBED

Accessibility & contrast

On white

4.58

#3A72D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3A72D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A72D9

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A72D9	#FFFFFF	#000000	##000000
##3A72D9	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397DDD

Deuteranopia (green-blind)

#076FD7

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a72d9;
/* rgb */ color: rgb(58, 114, 217);
/* oklch */ color: oklch(57.0% 0.169 261.3);

Tailwind

colors: {
  custom: {
    50: '#8499e5',
    500: '#3a72d9',
    950: '#000000',
  },
}

SCSS

$custom: #3a72d9;
$custom-light: #8499e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a72d9",
  "rgb": {
    "r": 58,
    "g": 114,
    "b": 217
  },
  "hsl": {
    "h": 218.868,
    "s": 67.66,
    "l": 53.922
  },
  "oklch": {
    "l": 0.56952,
    "c": 0.1689,
    "h": 261.3
  },
  "luminance": 0.17944
}

Semantic roles & 50–950 ramp

primary

#3A72D9

secondary

#D9C195

accent

#AE3DEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3A72D9

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

Preview Lab → · Contrast checker → · Palette generator →