#3A72D1#3A72D1

#3A72D1 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.4% C 0.158 H 260.3°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3A72D1
RGB	rgb(58, 114, 209)
HSL	hsl(218, 62%, 52%)
HSV	hsv(218, 72%, 82%)
CMYK	cmyk(72.2%, 45.5%, 0%, 18%)
CIE-LAB	lab(48.93, 13.85, -54.43)
CIE-LCH	lch(48.93, 56.16, 284.28°)
OKLab	oklab(56.41% -0.0267 -0.1559)
OKLCH	oklch(56.41% 0.158 260.3)
XYZ	xyz(19.2667, 17.5355, 62.6785)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A72D1 #D1993A

analogous

#3ABED1 #3A72D1 #4D3AD1

triadic

#3A72D1 #D13A72 #72D13A

tetradic

#3A72D1 #D13ABE #D1993A #3AD14D

square

#3A72D1 #D13ABE #D1993A #3AD14D

split-complementary

#3A72D1 #D14D3A #BED13A

monochromatic

#1B3D75 #2756A7 #3A72D1 #6C96DD #9DB9E8

Accessibility & contrast

On white

4.66

#3A72D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3A72D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A72D1

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A72D1	#FFFFFF	#000000	##FFFFFF
##3A72D1	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417CD5

Deuteranopia (green-blind)

#216ECF

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a72d1;
/* rgb */ color: rgb(58, 114, 209);
/* oklch */ color: oklch(56.4% 0.158 260.3);

Tailwind

colors: {
  custom: {
    50: '#8399e0',
    500: '#3a72d1',
    950: '#000000',
  },
}

SCSS

$custom: #3a72d1;
$custom-light: #8399e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a72d1",
  "rgb": {
    "r": 58,
    "g": 114,
    "b": 209
  },
  "hsl": {
    "h": 217.748,
    "s": 62.14,
    "l": 52.353
  },
  "oklch": {
    "l": 0.5641,
    "c": 0.15822,
    "h": 260.3
  },
  "luminance": 0.17538
}

Semantic roles & 50–950 ramp

primary

#3A72D1

secondary

#D4BC93

accent

#A943E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A72D1

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

Preview Lab → · Contrast checker → · Palette generator →