#3998D2#3998D2

#3998D2 is a light, vivid cyan. Relative luminance 0.280; OKLCH L 65.0% C 0.123 H 239.7°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#3998D2
RGB	rgb(57, 152, 210)
HSL	hsl(203, 63%, 52%)
HSV	hsv(203, 73%, 82%)
CMYK	cmyk(72.9%, 27.6%, 0%, 17.6%)
CIE-LAB	lab(59.87, -8.62, -37.65)
CIE-LCH	lch(59.87, 38.63, 257.11°)
OKLab	oklab(64.98% -0.0621 -0.1063)
OKLCH	oklch(64.98% 0.123 239.7)
XYZ	xyz(24.5439, 27.9767, 65.0668)
Luminance	0.2798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3998D2 #D27339

analogous

#39D2BF #3998D2 #394CD2

triadic

#3998D2 #D23998 #98D239

tetradic

#3998D2 #BF39D2 #D27339 #4CD239

square

#3998D2 #BF39D2 #D27339 #4CD239

split-complementary

#3998D2 #D2394C #D2BF39

monochromatic

#1B5376 #2677A8 #3998D2 #6BB2DD #9DCCE9

Accessibility & contrast

On white

3.18

#3998D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#3998D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998D2

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3998D2	#FFFFFF	#000000	##000000
##3998D2	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D98D5

Deuteranopia (green-blind)

#688AD1

Tritanopia (blue-blind)

#00A7AC

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3998d2;
/* rgb */ color: rgb(57, 152, 210);
/* oklch */ color: oklch(65.0% 0.123 239.7);

Tailwind

colors: {
  custom: {
    50: '#83b6e0',
    500: '#3998d2',
    950: '#000000',
  },
}

SCSS

$custom: #3998d2;
$custom-light: #83b6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3998d2",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 210
  },
  "hsl": {
    "h": 202.745,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.64979,
    "c": 0.12314,
    "h": 239.7
  },
  "luminance": 0.27979
}

Semantic roles & 50–950 ramp

primary

#3998D2

secondary

#D5AB92

accent

#8042E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3998D2

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

Preview Lab → · Contrast checker → · Palette generator →