#3998D4#3998D4

#3998D4 is a light, vivid cyan. Relative luminance 0.281; OKLCH L 65.1% C 0.125 H 240.6°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#3998D4
RGB	rgb(57, 152, 212)
HSL	hsl(203, 64%, 53%)
HSV	hsv(203, 73%, 83%)
CMYK	cmyk(73.1%, 28.3%, 0%, 16.9%)
CIE-LAB	lab(59.96, -7.93, -38.63)
CIE-LCH	lch(59.96, 39.43, 258.40°)
OKLab	oklab(65.08% -0.0615 -0.1092)
OKLCH	oklch(65.08% 0.125 240.6)
XYZ	xyz(24.7946, 28.0769, 66.3872)
Luminance	0.2808 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3998D4 #D47539

analogous

#39D4C3 #3998D4 #394AD4

triadic

#3998D4 #D43998 #98D439

tetradic

#3998D4 #C339D4 #D47539 #4AD439

square

#3998D4 #C339D4 #D47539 #4AD439

split-complementary

#3998D4 #D4394A #D4C339

monochromatic

#1A5478 #2577AB #3998D4 #6BB2DF #9ECCEA

Accessibility & contrast

On white

3.17

#3998D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#3998D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998D4

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3998D4	#FFFFFF	#000000	##000000
##3998D4	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C99D7

Deuteranopia (green-blind)

#678AD3

Tritanopia (blue-blind)

#00A7AD

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3998d4;
/* rgb */ color: rgb(57, 152, 212);
/* oklch */ color: oklch(65.1% 0.125 240.6);

Tailwind

colors: {
  custom: {
    50: '#83b6e1',
    500: '#3998d4',
    950: '#000000',
  },
}

SCSS

$custom: #3998d4;
$custom-light: #83b6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3998d4",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 212
  },
  "hsl": {
    "h": 203.226,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.65081,
    "c": 0.12528,
    "h": 240.6
  },
  "luminance": 0.2808
}

Semantic roles & 50–950 ramp

primary

#3998D4

secondary

#D6AD93

accent

#8140E7

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3998D4

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

Preview Lab → · Contrast checker → · Palette generator →