#3A71D1#3A71D1

#3A71D1 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.2% C 0.159 H 260.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3A71D1
RGB	rgb(58, 113, 209)
HSL	hsl(218, 62%, 52%)
HSV	hsv(218, 72%, 82%)
CMYK	cmyk(72.2%, 45.9%, 0%, 18%)
CIE-LAB	lab(48.65, 14.48, -54.87)
CIE-LCH	lch(48.65, 56.75, 284.78°)
OKLab	oklab(56.2% -0.0259 -0.1573)
OKLCH	oklch(56.2% 0.159 260.7)
XYZ	xyz(19.1545, 17.3112, 62.6411)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A71D1 #D19A3A

analogous

#3ABCD1 #3A71D1 #4F3AD1

triadic

#3A71D1 #D13A71 #71D13A

tetradic

#3A71D1 #D13ABC #D19A3A #3AD14F

square

#3A71D1 #D13ABC #D19A3A #3AD14F

split-complementary

#3A71D1 #D14F3A #BCD13A

monochromatic

#1B3C75 #2756A7 #3A71D1 #6C95DD #9DB9E8

Accessibility & contrast

On white

4.71

#3A71D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3A71D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A71D1

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A71D1	#FFFFFF	#000000	##FFFFFF
##3A71D1	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7BD5

Deuteranopia (green-blind)

#1D6DCF

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a71d1;
/* rgb */ color: rgb(58, 113, 209);
/* oklch */ color: oklch(56.2% 0.159 260.7);

Tailwind

colors: {
  custom: {
    50: '#8399e0',
    500: '#3a71d1',
    950: '#000000',
  },
}

SCSS

$custom: #3a71d1;
$custom-light: #8399e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a71d1",
  "rgb": {
    "r": 58,
    "g": 113,
    "b": 209
  },
  "hsl": {
    "h": 218.146,
    "s": 62.14,
    "l": 52.353
  },
  "oklch": {
    "l": 0.56196,
    "c": 0.15939,
    "h": 260.7
  },
  "luminance": 0.17313
}

Semantic roles & 50–950 ramp

primary

#3A71D1

secondary

#D4BC93

accent

#AA43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A71D1

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

Preview Lab → · Contrast checker → · Palette generator →