#3A73E2#3A73E2

#3A73E2 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.8% C 0.180 H 262.0°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A73E2
RGB	rgb(58, 115, 226)
HSL	hsl(220, 74%, 56%)
HSV	hsv(220, 74%, 89%)
CMYK	cmyk(74.3%, 49.1%, 0%, 11.4%)
CIE-LAB	lab(50.27, 19.45, -61.89)
CIE-LCH	lch(50.27, 64.87, 287.44°)
OKLab	oklab(57.79% -0.025 -0.1779)
OKLCH	oklch(57.79% 0.18 262)
XYZ	xyz(21.5982, 18.6496, 74.3982)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73E2 #E2A93A

analogous

#3AC7E2 #3A73E2 #553AE2

triadic

#3A73E2 #E23A73 #73E23A

tetradic

#3A73E2 #E23AC7 #E2A93A #3AE255

square

#3A73E2 #E23AC7 #E2A93A #3AE255

split-complementary

#3A73E2 #E2553A #C7E23A

monochromatic

#153D8D #1D55C2 #3A73E2 #6F99EA #A5BFF2

Accessibility & contrast

On white

4.44

#3A73E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3A73E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A73E2

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73E2	#FFFFFF	#000000	##000000
##3A73E2	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3180E6

Deuteranopia (green-blind)

#0070E0

Tritanopia (blue-blind)

#008EA0

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a73e2;
/* rgb */ color: rgb(58, 115, 226);
/* oklch */ color: oklch(57.8% 0.180 262.0);

Tailwind

colors: {
  custom: {
    50: '#869aec',
    500: '#3a73e2',
    950: '#000000',
  },
}

SCSS

$custom: #3a73e2;
$custom-light: #869aec;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73e2",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 226
  },
  "hsl": {
    "h": 219.643,
    "s": 74.336,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57788,
    "c": 0.17964,
    "h": 262
  },
  "luminance": 0.18652
}

Semantic roles & 50–950 ramp

primary

#3A73E2

secondary

#DFC799

accent

#B237F1

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3A73E2

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

Preview Lab → · Contrast checker → · Palette generator →