#3984CC#3984CC

#3984CC is a mid, vivid cyan. Relative luminance 0.217; OKLCH L 60.1% C 0.133 H 250.2°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3984CC
RGB	rgb(57, 132, 204)
HSL	hsl(209, 59%, 51%)
HSV	hsv(209, 72%, 80%)
CMYK	cmyk(72.1%, 35.3%, 0%, 20%)
CIE-LAB	lab(53.74, 0.87, -43.92)
CIE-LCH	lch(53.74, 43.93, 271.14°)
OKLab	oklab(60.05% -0.0448 -0.1248)
OKLCH	oklch(60.05% 0.133 250.2)
XYZ	xyz(20.8336, 21.7297, 60.2113)
Luminance	0.2173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3984CC #CC8139

analogous

#39CCCA #3984CC #393ACC

triadic

#3984CC #CC3984 #84CC39

tetradic

#3984CC #CA39CC #CC8139 #3ACC39

square

#3984CC #CA39CC #CC8139 #3ACC39

split-complementary

#3984CC #CC393A #CCCA39

monochromatic

#1C466E #29659F #3984CC #6AA2D9 #9AC0E5

Accessibility & contrast

On white

3.93

#3984CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3984CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3984CC

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3984CC	#FFFFFF	#000000	##000000
##3984CC	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6388CF

Deuteranopia (green-blind)

#4E7ACB

Tritanopia (blue-blind)

#00959E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3984cc;
/* rgb */ color: rgb(57, 132, 204);
/* oklch */ color: oklch(60.1% 0.133 250.2);

Tailwind

colors: {
  custom: {
    50: '#81a7dc',
    500: '#3984cc',
    950: '#000000',
  },
}

SCSS

$custom: #3984cc;
$custom-light: #81a7dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3984cc",
  "rgb": {
    "r": 57,
    "g": 132,
    "b": 204
  },
  "hsl": {
    "h": 209.388,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.6005,
    "c": 0.13265,
    "h": 250.2
  },
  "luminance": 0.21732
}

Semantic roles & 50–950 ramp

primary

#3984CC

secondary

#D1B090

accent

#9246E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3984CC

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

Preview Lab → · Contrast checker → · Palette generator →