#3998CC#3998CC

#3998CC is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.7% C 0.117 H 236.8°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3998CC
RGB	rgb(57, 152, 204)
HSL	hsl(201, 59%, 51%)
HSV	hsv(201, 72%, 80%)
CMYK	cmyk(72.1%, 25.5%, 0%, 20%)
CIE-LAB	lab(59.60, -10.67, -34.71)
CIE-LCH	lch(59.60, 36.31, 252.91°)
OKLab	oklab(64.68% -0.0641 -0.0978)
OKLCH	oklch(64.68% 0.117 236.8)
XYZ	xyz(23.8104, 27.6833, 61.2036)
Luminance	0.2769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3998CC #CC6D39

analogous

#39CCB6 #3998CC #394ECC

triadic

#3998CC #CC3998 #98CC39

tetradic

#3998CC #B639CC #CC6D39 #4ECC39

square

#3998CC #B639CC #CC6D39 #4ECC39

split-complementary

#3998CC #CC394E #CCB639

monochromatic

#1C516E #29759F #3998CC #6AB1D9 #9ACBE5

Accessibility & contrast

On white

3.21

#3998CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#3998CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998CC

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3998CC	#FFFFFF	#000000	##000000
##3998CC	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F97CE

Deuteranopia (green-blind)

#6B89CB

Tritanopia (blue-blind)

#00A5AA

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3998cc;
/* rgb */ color: rgb(57, 152, 204);
/* oklch */ color: oklch(64.7% 0.117 236.8);

Tailwind

colors: {
  custom: {
    50: '#82b6db',
    500: '#3998cc',
    950: '#000000',
  },
}

SCSS

$custom: #3998cc;
$custom-light: #82b6db;
$custom-dark: #000000;

JSON

{
  "hex": "#3998cc",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 204
  },
  "hsl": {
    "h": 201.224,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.6468,
    "c": 0.11692,
    "h": 236.8
  },
  "luminance": 0.27686
}

Semantic roles & 50–950 ramp

primary

#3998CC

secondary

#D1A790

accent

#7D46E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3998CC

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

Preview Lab → · Contrast checker → · Palette generator →