#3998DA#3998DA

#3998DA is a light, vivid cyan. Relative luminance 0.284; OKLCH L 65.4% C 0.132 H 243.1°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#3998DA
RGB	rgb(57, 152, 218)
HSL	hsl(205, 69%, 54%)
HSV	hsv(205, 74%, 85%)
CMYK	cmyk(73.9%, 30.3%, 0%, 14.5%)
CIE-LAB	lab(60.24, -5.84, -41.54)
CIE-LCH	lch(60.24, 41.95, 261.99°)
OKLab	oklab(65.39% -0.0596 -0.1176)
OKLCH	oklch(65.39% 0.132 243.1)
XYZ	xyz(25.5656, 28.3853, 70.4476)
Luminance	0.2839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3998DA #DA7B39

analogous

#39DACC #3998DA #3948DA

triadic

#3998DA #DA3998 #98DA39

tetradic

#3998DA #CC39DA #DA7B39 #48DA39

square

#3998DA #CC39DA #DA7B39 #48DA39

split-complementary

#3998DA #DA3948 #DACC39

monochromatic

#185681 #2278B4 #3998DA #6DB3E4 #A0CEED

Accessibility & contrast

On white

3.14

#3998DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#3998DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998DA

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3998DA	#FFFFFF	#000000	##000000
##3998DA	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9ADD

Deuteranopia (green-blind)

#638AD9

Tritanopia (blue-blind)

#00A8AF

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3998da;
/* rgb */ color: rgb(57, 152, 218);
/* oklch */ color: oklch(65.4% 0.132 243.1);

Tailwind

colors: {
  custom: {
    50: '#84b6e5',
    500: '#3998da',
    950: '#000000',
  },
}

SCSS

$custom: #3998da;
$custom-light: #84b6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3998da",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 218
  },
  "hsl": {
    "h": 204.596,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.65391,
    "c": 0.13188,
    "h": 243.1
  },
  "luminance": 0.28388
}

Semantic roles & 50–950 ramp

primary

#3998DA

secondary

#DAB195

accent

#843CEB

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0C1116

muted

#7D8084

Preview Lab

Preview with #3998DA

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

Preview Lab → · Contrast checker → · Palette generator →