#3984D3#3984D3

#3984D3 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.5% C 0.141 H 252.3°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3984D3
RGB	rgb(57, 132, 211)
HSL	hsl(211, 64%, 53%)
HSV	hsv(211, 73%, 83%)
CMYK	cmyk(73%, 37.4%, 0%, 17.3%)
CIE-LAB	lab(54.10, 3.38, -47.30)
CIE-LCH	lch(54.10, 47.42, 274.09°)
OKLab	oklab(60.46% -0.043 -0.1347)
OKLCH	oklch(60.46% 0.141 252.3)
XYZ	xyz(21.6921, 22.0731, 64.7327)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3984D3 #D38839

analogous

#39D1D3 #3984D3 #3B39D3

triadic

#3984D3 #D33984 #84D339

tetradic

#3984D3 #D339D1 #D38839 #39D33B

square

#3984D3 #D339D1 #D38839 #39D33B

split-complementary

#3984D3 #D33B39 #D1D339

monochromatic

#1A4877 #2666A9 #3984D3 #6BA3DE #9DC2E9

Accessibility & contrast

On white

3.88

#3984D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#3984D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3984D3

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3984D3	#FFFFFF	#000000	##000000
##3984D3	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F89D6

Deuteranopia (green-blind)

#487BD1

Tritanopia (blue-blind)

#0097A1

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3984d3;
/* rgb */ color: rgb(57, 132, 211);
/* oklch */ color: oklch(60.5% 0.141 252.3);

Tailwind

colors: {
  custom: {
    50: '#83a7e1',
    500: '#3984d3',
    950: '#000000',
  },
}

SCSS

$custom: #3984d3;
$custom-light: #83a7e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3984d3",
  "rgb": {
    "r": 57,
    "g": 132,
    "b": 211
  },
  "hsl": {
    "h": 210.779,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.60456,
    "c": 0.14145,
    "h": 252.3
  },
  "luminance": 0.22076
}

Semantic roles & 50–950 ramp

primary

#3984D3

secondary

#D5B592

accent

#9641E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3984D3

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

Preview Lab → · Contrast checker → · Palette generator →