#3A71D3#3A71D3

#3A71D3 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.3% C 0.162 H 260.9°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3A71D3
RGB	rgb(58, 113, 211)
HSL	hsl(218, 63%, 53%)
HSV	hsv(218, 73%, 83%)
CMYK	cmyk(72.5%, 46.4%, 0%, 17.3%)
CIE-LAB	lab(48.77, 15.21, -55.81)
CIE-LCH	lch(48.77, 57.85, 285.25°)
OKLab	oklab(56.33% -0.0255 -0.16)
OKLCH	oklch(56.33% 0.162 260.9)
XYZ	xyz(19.4037, 17.4108, 63.9534)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A71D3 #D39C3A

analogous

#3ABED3 #3A71D3 #4F3AD3

triadic

#3A71D3 #D33A71 #71D33A

tetradic

#3A71D3 #D33ABE #D39C3A #3AD34F

square

#3A71D3 #D33ABE #D39C3A #3AD34F

split-complementary

#3A71D3 #D34F3A #BED33A

monochromatic

#1B3C78 #2655AA #3A71D3 #6C95DE #9EB9E9

Accessibility & contrast

On white

4.68

#3A71D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3A71D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A71D3

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A71D3	#FFFFFF	#000000	##FFFFFF
##3A71D3	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7BD7

Deuteranopia (green-blind)

#186DD1

Tritanopia (blue-blind)

#008898

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a71d3;
/* rgb */ color: rgb(58, 113, 211);
/* oklch */ color: oklch(56.3% 0.162 260.9);

Tailwind

colors: {
  custom: {
    50: '#8399e1',
    500: '#3a71d3',
    950: '#000000',
  },
}

SCSS

$custom: #3a71d3;
$custom-light: #8399e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a71d3",
  "rgb": {
    "r": 58,
    "g": 113,
    "b": 211
  },
  "hsl": {
    "h": 218.431,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.56331,
    "c": 0.16207,
    "h": 260.9
  },
  "luminance": 0.17413
}

Semantic roles & 50–950 ramp

primary

#3A71D3

secondary

#D6BE93

accent

#AB41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A71D3

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

Preview Lab → · Contrast checker → · Palette generator →