#3984D9#3984D9

#3984D9 is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.8% C 0.149 H 253.8°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3984D9
RGB	rgb(57, 132, 217)
HSL	hsl(212, 68%, 54%)
HSV	hsv(212, 74%, 85%)
CMYK	cmyk(73.7%, 39.2%, 0%, 14.9%)
CIE-LAB	lab(54.43, 5.55, -50.17)
CIE-LCH	lch(54.43, 50.47, 276.31°)
OKLab	oklab(60.81% -0.0416 -0.1431)
OKLCH	oklch(60.81% 0.149 253.8)
XYZ	xyz(22.4583, 22.3796, 68.7683)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3984D9 #D98E39

analogous

#39D4D9 #3984D9 #3E39D9

triadic

#3984D9 #D93984 #84D939

tetradic

#3984D9 #D939D4 #D98E39 #39D93E

square

#3984D9 #D939D4 #D98E39 #39D93E

split-complementary

#3984D9 #D93E39 #D4D939

monochromatic

#18497F #2266B3 #3984D9 #6CA4E3 #A0C4ED

Accessibility & contrast

On white

3.83

#3984D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3984D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3984D9

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3984D9	#FFFFFF	#000000	##000000
##3984D9	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8ADC

Deuteranopia (green-blind)

#437BD7

Tritanopia (blue-blind)

#0098A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3984d9;
/* rgb */ color: rgb(57, 132, 217);
/* oklch */ color: oklch(60.8% 0.149 253.8);

Tailwind

colors: {
  custom: {
    50: '#84a7e5',
    500: '#3984d9',
    950: '#000000',
  },
}

SCSS

$custom: #3984d9;
$custom-light: #84a7e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3984d9",
  "rgb": {
    "r": 57,
    "g": 132,
    "b": 217
  },
  "hsl": {
    "h": 211.875,
    "s": 67.797,
    "l": 53.725
  },
  "oklch": {
    "l": 0.60813,
    "c": 0.14908,
    "h": 253.8
  },
  "luminance": 0.22382
}

Semantic roles & 50–950 ramp

primary

#3984D9

secondary

#D9B995

accent

#993DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3984D9

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

Preview Lab → · Contrast checker → · Palette generator →