#3993BF#3993BF

#3993BF is a light, moderate cyan. Relative luminance 0.255; OKLCH L 62.9% C 0.107 H 233.5°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3993BF
RGB	rgb(57, 147, 191)
HSL	hsl(200, 54%, 49%)
HSV	hsv(200, 70%, 75%)
CMYK	cmyk(70.2%, 23%, 0%, 25.1%)
CIE-LAB	lab(57.56, -12.30, -30.57)
CIE-LCH	lch(57.56, 32.95, 248.08°)
OKLab	oklab(62.87% -0.0636 -0.0859)
OKLCH	oklch(62.87% 0.107 233.5)
XYZ	xyz(21.5213, 25.4965, 53.0672)
Luminance	0.2550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3993BF #BF6539

analogous

#39BFA8 #3993BF #3950BF

triadic

#3993BF #BF3993 #93BF39

tetradic

#3993BF #A839BF #BF6539 #50BF39

square

#3993BF #A839BF #BF6539 #50BF39

split-complementary

#3993BF #BF3950 #BFA839

monochromatic

#1D4A61 #2B6F90 #3993BF #64ADD1 #93C6DF

Accessibility & contrast

On white

3.44

#3993BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#3993BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3993BF

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3993BF	#FFFFFF	#000000	##000000
##3993BF	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D92C1

Deuteranopia (green-blind)

#6B84BE

Tritanopia (blue-blind)

#009FA2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3993bf;
/* rgb */ color: rgb(57, 147, 191);
/* oklch */ color: oklch(62.9% 0.107 233.5);

Tailwind

colors: {
  custom: {
    50: '#80b2d2',
    500: '#3993bf',
    950: '#000000',
  },
}

SCSS

$custom: #3993bf;
$custom-light: #80b2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3993bf",
  "rgb": {
    "r": 57,
    "g": 147,
    "b": 191
  },
  "hsl": {
    "h": 199.701,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.62869,
    "c": 0.10686,
    "h": 233.5
  },
  "luminance": 0.25499
}

Semantic roles & 50–950 ramp

primary

#3993BF

secondary

#CA9F8A

accent

#7B4ADD

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3993BF

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

Preview Lab → · Contrast checker → · Palette generator →