#3A73E3#3A73E3

#3A73E3 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.9% C 0.181 H 262.1°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3A73E3
RGB	rgb(58, 115, 227)
HSL	hsl(220, 75%, 56%)
HSV	hsv(220, 74%, 89%)
CMYK	cmyk(74.4%, 49.3%, 0%, 11%)
CIE-LAB	lab(50.34, 19.81, -62.35)
CIE-LCH	lch(50.34, 65.42, 287.63°)
OKLab	oklab(57.86% -0.0249 -0.1792)
OKLCH	oklch(57.86% 0.181 262.1)
XYZ	xyz(21.7358, 18.7046, 75.1230)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73E3 #E3AA3A

analogous

#3AC8E3 #3A73E3 #553AE3

triadic

#3A73E3 #E33A73 #73E33A

tetradic

#3A73E3 #E33AC8 #E3AA3A #3AE355

square

#3A73E3 #E33AC8 #E3AA3A #3AE355

split-complementary

#3A73E3 #E3553A #C8E33A

monochromatic

#143D8E #1C55C4 #3A73E3 #7099EB #A5BFF2

Accessibility & contrast

On white

4.43

#3A73E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#3A73E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A73E3

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73E3	#FFFFFF	#000000	##000000
##3A73E3	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3080E7

Deuteranopia (green-blind)

#0070E1

Tritanopia (blue-blind)

#008EA0

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a73e3;
/* rgb */ color: rgb(58, 115, 227);
/* oklch */ color: oklch(57.9% 0.181 262.1);

Tailwind

colors: {
  custom: {
    50: '#869aec',
    500: '#3a73e3',
    950: '#000000',
  },
}

SCSS

$custom: #3a73e3;
$custom-light: #869aec;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73e3",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 227
  },
  "hsl": {
    "h": 219.763,
    "s": 75.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57858,
    "c": 0.18095,
    "h": 262.1
  },
  "luminance": 0.18707
}

Semantic roles & 50–950 ramp

primary

#3A73E3

secondary

#DFC899

accent

#B236F2

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3A73E3

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

Preview Lab → · Contrast checker → · Palette generator →