#3A71E3#3A71E3

#3A71E3 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.4% C 0.183 H 262.7°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3A71E3
RGB	rgb(58, 113, 227)
HSL	hsl(220, 75%, 56%)
HSV	hsv(220, 74%, 89%)
CMYK	cmyk(74.4%, 50.2%, 0%, 11%)
CIE-LAB	lab(49.80, 21.07, -63.22)
CIE-LCH	lch(49.80, 66.63, 288.43°)
OKLab	oklab(57.45% -0.0233 -0.1818)
OKLCH	oklch(57.45% 0.183 262.7)
XYZ	xyz(21.5102, 18.2534, 75.0478)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A71E3 #E3AC3A

analogous

#3AC6E3 #3A71E3 #573AE3

triadic

#3A71E3 #E33A71 #71E33A

tetradic

#3A71E3 #E33AC6 #E3AC3A #3AE357

square

#3A71E3 #E33AC6 #E3AC3A #3AE357

split-complementary

#3A71E3 #E3573A #C6E33A

monochromatic

#143C8E #1C53C4 #3A71E3 #7098EB #A5BEF2

Accessibility & contrast

On white

4.51

#3A71E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3A71E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A71E3

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A71E3	#FFFFFF	#000000	##000000
##3A71E3	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A7FE7

Deuteranopia (green-blind)

#006FE1

Tritanopia (blue-blind)

#008C9F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3a71e3;
/* rgb */ color: rgb(58, 113, 227);
/* oklch */ color: oklch(57.4% 0.183 262.7);

Tailwind

colors: {
  custom: {
    50: '#8699ec',
    500: '#3a71e3',
    950: '#000000',
  },
}

SCSS

$custom: #3a71e3;
$custom-light: #8699ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3a71e3",
  "rgb": {
    "r": 58,
    "g": 113,
    "b": 227
  },
  "hsl": {
    "h": 220.473,
    "s": 75.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57448,
    "c": 0.18331,
    "h": 262.7
  },
  "luminance": 0.18256
}

Semantic roles & 50–950 ramp

primary

#3A71E3

secondary

#DFC999

accent

#B536F2

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3A71E3

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

Preview Lab → · Contrast checker → · Palette generator →