#3998C7#3998C7

#3998C7 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.4% C 0.112 H 234.0°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3998C7
RGB	rgb(57, 152, 199)
HSL	hsl(200, 56%, 50%)
HSV	hsv(200, 71%, 78%)
CMYK	cmyk(71.4%, 23.6%, 0%, 22%)
CIE-LAB	lab(59.39, -12.37, -32.24)
CIE-LCH	lch(59.39, 34.53, 249.01°)
OKLab	oklab(64.44% -0.0658 -0.0907)
OKLCH	oklch(64.44% 0.112 234)
XYZ	xyz(23.2203, 27.4472, 58.0958)
Luminance	0.2745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3998C7 #C76839

analogous

#39C7AF #3998C7 #3951C7

triadic

#3998C7 #C73998 #98C739

tetradic

#3998C7 #AF39C7 #C76839 #51C739

square

#3998C7 #AF39C7 #C76839 #51C739

split-complementary

#3998C7 #C73951 #C7AF39

monochromatic

#1D4F68 #2B7498 #3998C7 #69B1D4 #98CAE2

Accessibility & contrast

On white

3.24

#3998C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#3998C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998C7

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3998C7	#FFFFFF	#000000	##000000
##3998C7	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8197C9

Deuteranopia (green-blind)

#6E89C6

Tritanopia (blue-blind)

#00A4A8

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3998c7;
/* rgb */ color: rgb(57, 152, 199);
/* oklch */ color: oklch(64.4% 0.112 234.0);

Tailwind

colors: {
  custom: {
    50: '#81b6d8',
    500: '#3998c7',
    950: '#000000',
  },
}

SCSS

$custom: #3998c7;
$custom-light: #81b6d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3998c7",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 199
  },
  "hsl": {
    "h": 199.859,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.64438,
    "c": 0.11201,
    "h": 234
  },
  "luminance": 0.2745
}

Semantic roles & 50–950 ramp

primary

#3998C7

secondary

#CEA38E

accent

#7A49DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3998C7

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

Preview Lab → · Contrast checker → · Palette generator →