#3A71D9#3A71D9

#3A71D9 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.7% C 0.170 H 261.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3A71D9
RGB	rgb(58, 113, 217)
HSL	hsl(219, 68%, 54%)
HSV	hsv(219, 73%, 85%)
CMYK	cmyk(73.3%, 47.9%, 0%, 14.9%)
CIE-LAB	lab(49.15, 17.41, -58.61)
CIE-LCH	lch(49.15, 61.15, 286.54°)
OKLab	oklab(56.74% -0.0246 -0.1683)
OKLCH	oklch(56.74% 0.17 261.7)
XYZ	xyz(20.1699, 17.7173, 67.9890)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A71D9 #D9A23A

analogous

#3AC1D9 #3A71D9 #533AD9

triadic

#3A71D9 #D93A71 #71D93A

tetradic

#3A71D9 #D93AC1 #D9A23A #3AD953

square

#3A71D9 #D93AC1 #D9A23A #3AD953

split-complementary

#3A71D9 #D9533A #C1D93A

monochromatic

#193C80 #2355B3 #3A71D9 #6D96E3 #A1BBED

Accessibility & contrast

On white

4.62

#3A71D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3A71D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A71D9

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A71D9	#FFFFFF	#000000	##FFFFFF
##3A71D9	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#377DDD

Deuteranopia (green-blind)

#006ED7

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a71d9;
/* rgb */ color: rgb(58, 113, 217);
/* oklch */ color: oklch(56.7% 0.170 261.7);

Tailwind

colors: {
  custom: {
    50: '#8499e5',
    500: '#3a71d9',
    950: '#000000',
  },
}

SCSS

$custom: #3a71d9;
$custom-light: #8499e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a71d9",
  "rgb": {
    "r": 58,
    "g": 113,
    "b": 217
  },
  "hsl": {
    "h": 219.245,
    "s": 67.66,
    "l": 53.922
  },
  "oklch": {
    "l": 0.56743,
    "c": 0.17007,
    "h": 261.7
  },
  "luminance": 0.1772
}

Semantic roles & 50–950 ramp

primary

#3A71D9

secondary

#D9C295

accent

#AF3DEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3A71D9

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

Preview Lab → · Contrast checker → · Palette generator →