#3993BC#3993BC

#3993BC is a light, moderate cyan. Relative luminance 0.254; OKLCH L 62.7% C 0.104 H 231.6°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#3993BC
RGB	rgb(57, 147, 188)
HSL	hsl(199, 53%, 48%)
HSV	hsv(199, 70%, 74%)
CMYK	cmyk(69.7%, 21.8%, 0%, 26.3%)
CIE-LAB	lab(57.43, -13.31, -29.07)
CIE-LCH	lch(57.43, 31.97, 245.40°)
OKLab	oklab(62.73% -0.0646 -0.0816)
OKLCH	oklch(62.73% 0.104 231.6)
XYZ	xyz(21.1946, 25.3658, 51.3463)
Luminance	0.2537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3993BC #BC6239

analogous

#39BCA3 #3993BC #3951BC

triadic

#3993BC #BC3993 #93BC39

tetradic

#3993BC #A339BC #BC6239 #51BC39

square

#3993BC #A339BC #BC6239 #51BC39

split-complementary

#3993BC #BC3951 #BCA339

monochromatic

#1D4A5E #2B6E8D #3993BC #63ADD0 #92C6DE

Accessibility & contrast

On white

3.46

#3993BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#3993BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3993BC

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3993BC	#FFFFFF	#000000	##000000
##3993BC	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E91BE

Deuteranopia (green-blind)

#6D84BB

Tritanopia (blue-blind)

#009EA1

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3993bc;
/* rgb */ color: rgb(57, 147, 188);
/* oklch */ color: oklch(62.7% 0.104 231.6);

Tailwind

colors: {
  custom: {
    50: '#7fb2d0',
    500: '#3993bc',
    950: '#000000',
  },
}

SCSS

$custom: #3993bc;
$custom-light: #7fb2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3993bc",
  "rgb": {
    "r": 57,
    "g": 147,
    "b": 188
  },
  "hsl": {
    "h": 198.779,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.62727,
    "c": 0.10408,
    "h": 231.6
  },
  "luminance": 0.25368
}

Semantic roles & 50–950 ramp

primary

#3993BC

secondary

#C99C88

accent

#794BDD

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3993BC

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

Preview Lab → · Contrast checker → · Palette generator →