#3671D3#3671D3

#3671D3 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.2% C 0.163 H 260.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3671D3
RGB	rgb(54, 113, 211)
HSL	hsl(217, 64%, 52%)
HSV	hsv(217, 74%, 83%)
CMYK	cmyk(74.4%, 46.4%, 0%, 17.3%)
CIE-LAB	lab(48.63, 14.70, -56.05)
CIE-LCH	lch(48.63, 57.95, 284.69°)
OKLab	oklab(56.18% -0.0283 -0.1608)
OKLCH	oklch(56.18% 0.163 260)
XYZ	xyz(19.1801, 17.2955, 63.9429)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3671D3 #D39836

analogous

#36C0D3 #3671D3 #4936D3

triadic

#3671D3 #D33671 #71D336

tetradic

#3671D3 #D336C0 #D39836 #36D349

square

#3671D3 #D336C0 #D39836 #36D349

split-complementary

#3671D3 #D34936 #C0D336

monochromatic

#1A3C75 #2556A7 #3671D3 #6894DE #9AB8E9

Accessibility & contrast

On white

4.71

#3671D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3671D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3671D3

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3671D3	#FFFFFF	#000000	##FFFFFF
##3671D3	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)

#3D7BD7

Deuteranopia (green-blind)

#146DD1

Tritanopia (blue-blind)

#008898

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3671d3;
/* rgb */ color: rgb(54, 113, 211);
/* oklch */ color: oklch(56.2% 0.163 260.0);

Tailwind

colors: {
  custom: {
    50: '#8299e1',
    500: '#3671d3',
    950: '#000000',
  },
}

SCSS

$custom: #3671d3;
$custom-light: #8299e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3671d3",
  "rgb": {
    "r": 54,
    "g": 113,
    "b": 211
  },
  "hsl": {
    "h": 217.452,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56181,
    "c": 0.16329,
    "h": 260
  },
  "luminance": 0.17298
}

Semantic roles & 50–950 ramp

primary

#3671D3

secondary

#D5BB90

accent

#A941E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3671D3

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

Preview Lab → · Contrast checker → · Palette generator →