#3A72E3#3A72E3

#3A72E3 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.7% C 0.182 H 262.4°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3A72E3
RGB	rgb(58, 114, 227)
HSL	hsl(220, 75%, 56%)
HSV	hsv(220, 74%, 89%)
CMYK	cmyk(74.4%, 49.8%, 0%, 11%)
CIE-LAB	lab(50.07, 20.44, -62.78)
CIE-LCH	lch(50.07, 66.03, 288.04°)
OKLab	oklab(57.65% -0.0241 -0.1805)
OKLCH	oklch(57.65% 0.182 262.4)
XYZ	xyz(21.6224, 18.4778, 75.0852)
Luminance	0.1848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A72E3 #E3AB3A

analogous

#3AC7E3 #3A72E3 #563AE3

triadic

#3A72E3 #E33A72 #72E33A

tetradic

#3A72E3 #E33AC7 #E3AB3A #3AE356

square

#3A72E3 #E33AC7 #E3AB3A #3AE356

split-complementary

#3A72E3 #E3563A #C7E33A

monochromatic

#143D8E #1C54C4 #3A72E3 #7098EB #A5BFF2

Accessibility & contrast

On white

4.47

#3A72E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#3A72E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A72E3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A72E3	#FFFFFF	#000000	##000000
##3A72E3	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D7FE7

Deuteranopia (green-blind)

#0070E1

Tritanopia (blue-blind)

#008DA0

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3a72e3;
/* rgb */ color: rgb(58, 114, 227);
/* oklch */ color: oklch(57.7% 0.182 262.4);

Tailwind

colors: {
  custom: {
    50: '#8699ec',
    500: '#3a72e3',
    950: '#000000',
  },
}

SCSS

$custom: #3a72e3;
$custom-light: #8699ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3a72e3",
  "rgb": {
    "r": 58,
    "g": 114,
    "b": 227
  },
  "hsl": {
    "h": 220.118,
    "s": 75.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57653,
    "c": 0.18213,
    "h": 262.4
  },
  "luminance": 0.1848
}

Semantic roles & 50–950 ramp

primary

#3A72E3

secondary

#DFC899

accent

#B436F2

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3A72E3

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

Preview Lab → · Contrast checker → · Palette generator →