#3A71D0#3A71D0

#3A71D0 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.1% C 0.158 H 260.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3A71D0
RGB	rgb(58, 113, 208)
HSL	hsl(218, 61%, 52%)
HSV	hsv(218, 72%, 82%)
CMYK	cmyk(72.1%, 45.7%, 0%, 18.4%)
CIE-LAB	lab(48.59, 14.12, -54.40)
CIE-LCH	lch(48.59, 56.20, 284.55°)
OKLab	oklab(56.13% -0.026 -0.1559)
OKLCH	oklch(56.13% 0.158 260.5)
XYZ	xyz(19.0311, 17.2618, 61.9912)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A71D0 #D0993A

analogous

#3ABCD0 #3A71D0 #4E3AD0

triadic

#3A71D0 #D03A71 #71D03A

tetradic

#3A71D0 #D03ABC #D0993A #3AD04E

square

#3A71D0 #D03ABC #D0993A #3AD04E

split-complementary

#3A71D0 #D04E3A #BCD03A

monochromatic

#1C3C74 #2756A5 #3A71D0 #6B95DC #9DB8E8

Accessibility & contrast

On white

4.72

#3A71D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3A71D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A71D0

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A71D0	#FFFFFF	#000000	##FFFFFF
##3A71D0	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#407BD4

Deuteranopia (green-blind)

#1F6DCE

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a71d0;
/* rgb */ color: rgb(58, 113, 208);
/* oklch */ color: oklch(56.1% 0.158 260.5);

Tailwind

colors: {
  custom: {
    50: '#8399df',
    500: '#3a71d0',
    950: '#000000',
  },
}

SCSS

$custom: #3a71d0;
$custom-light: #8399df;
$custom-dark: #000000;

JSON

{
  "hex": "#3a71d0",
  "rgb": {
    "r": 58,
    "g": 113,
    "b": 208
  },
  "hsl": {
    "h": 218,
    "s": 61.475,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56129,
    "c": 0.15805,
    "h": 260.5
  },
  "luminance": 0.17264
}

Semantic roles & 50–950 ramp

primary

#3A71D0

secondary

#D4BC92

accent

#A943E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A71D0

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

Preview Lab → · Contrast checker → · Palette generator →