#3984C9#3984C9

#3984C9 is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 59.9% C 0.129 H 249.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3984C9
RGB	rgb(57, 132, 201)
HSL	hsl(209, 57%, 51%)
HSV	hsv(209, 72%, 79%)
CMYK	cmyk(71.6%, 34.3%, 0%, 21.2%)
CIE-LAB	lab(53.59, -0.20, -42.46)
CIE-LCH	lch(53.59, 42.46, 269.73°)
OKLab	oklab(59.88% -0.0457 -0.1206)
OKLCH	oklch(59.88% 0.129 249.3)
XYZ	xyz(20.4773, 21.5872, 58.3346)
Luminance	0.2159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3984C9 #C97E39

analogous

#39C9C6 #3984C9 #393CC9

triadic

#3984C9 #C93984 #84C939

tetradic

#3984C9 #C639C9 #C97E39 #3CC939

square

#3984C9 #C639C9 #C97E39 #3CC939

split-complementary

#3984C9 #C9393C #C9C639

monochromatic

#1D456B #2A659B #3984C9 #69A2D6 #99C0E3

Accessibility & contrast

On white

3.95

#3984C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#3984C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3984C9

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3984C9	#FFFFFF	#000000	##000000
##3984C9	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6587CC

Deuteranopia (green-blind)

#507AC8

Tritanopia (blue-blind)

#00949D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3984c9;
/* rgb */ color: rgb(57, 132, 201);
/* oklch */ color: oklch(59.9% 0.129 249.3);

Tailwind

colors: {
  custom: {
    50: '#81a7da',
    500: '#3984c9',
    950: '#000000',
  },
}

SCSS

$custom: #3984c9;
$custom-light: #81a7da;
$custom-dark: #000000;

JSON

{
  "hex": "#3984c9",
  "rgb": {
    "r": 57,
    "g": 132,
    "b": 201
  },
  "hsl": {
    "h": 208.75,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.59881,
    "c": 0.12893,
    "h": 249.3
  },
  "luminance": 0.21589
}

Semantic roles & 50–950 ramp

primary

#3984C9

secondary

#CFAE8F

accent

#9147E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3984C9

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

Preview Lab → · Contrast checker → · Palette generator →