#3983D3#3983D3

#3983D3 is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.2% C 0.142 H 252.8°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3983D3
RGB	rgb(57, 131, 211)
HSL	hsl(211, 64%, 53%)
HSV	hsv(211, 73%, 83%)
CMYK	cmyk(73%, 37.9%, 0%, 17.3%)
CIE-LAB	lab(53.82, 3.98, -47.76)
CIE-LCH	lch(53.82, 47.92, 274.77°)
OKLab	oklab(60.23% -0.0421 -0.1361)
OKLCH	oklch(60.23% 0.142 252.8)
XYZ	xyz(21.5571, 21.8032, 64.6877)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3983D3 #D38939

analogous

#39D0D3 #3983D3 #3C39D3

triadic

#3983D3 #D33983 #83D339

tetradic

#3983D3 #D339D0 #D38939 #39D33C

square

#3983D3 #D339D0 #D38939 #39D33C

split-complementary

#3983D3 #D33C39 #D0D339

monochromatic

#1A4777 #2665A9 #3983D3 #6BA2DE #9DC2E9

Accessibility & contrast

On white

3.92

#3983D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#3983D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3983D3

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3983D3	#FFFFFF	#000000	##000000
##3983D3	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E88D6

Deuteranopia (green-blind)

#467AD1

Tritanopia (blue-blind)

#0096A1

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3983d3;
/* rgb */ color: rgb(57, 131, 211);
/* oklch */ color: oklch(60.2% 0.142 252.8);

Tailwind

colors: {
  custom: {
    50: '#83a6e1',
    500: '#3983d3',
    950: '#000000',
  },
}

SCSS

$custom: #3983d3;
$custom-light: #83a6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3983d3",
  "rgb": {
    "r": 57,
    "g": 131,
    "b": 211
  },
  "hsl": {
    "h": 211.169,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.60232,
    "c": 0.14246,
    "h": 252.8
  },
  "luminance": 0.21806
}

Semantic roles & 50–950 ramp

primary

#3983D3

secondary

#D5B592

accent

#9741E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3983D3

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

Preview Lab → · Contrast checker → · Palette generator →