#3994B7#3994B7

#3994B7 is a light, moderate cyan. Relative luminance 0.255; OKLCH L 62.7% C 0.099 H 227.2°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#3994B7
RGB	rgb(57, 148, 183)
HSL	hsl(197, 53%, 47%)
HSV	hsv(197, 69%, 72%)
CMYK	cmyk(68.9%, 19.1%, 0%, 28.2%)
CIE-LAB	lab(57.53, -15.52, -26.09)
CIE-LCH	lch(57.53, 30.35, 239.25°)
OKLab	oklab(62.74% -0.0675 -0.073)
OKLCH	oklch(62.74% 0.099 227.2)
XYZ	xyz(20.8211, 25.4663, 48.6087)
Luminance	0.2547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3994B7 #B75C39

analogous

#39B79B #3994B7 #3955B7

triadic

#3994B7 #B73994 #94B739

tetradic

#3994B7 #9B39B7 #B75C39 #55B739

square

#3994B7 #9B39B7 #B75C39 #55B739

split-complementary

#3994B7 #B73955 #B79B39

monochromatic

#1C495A #2A6E88 #3994B7 #60AFCD #8EC6DC

Accessibility & contrast

On white

3.45

#3994B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#3994B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3994B7

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3994B7	#FFFFFF	#000000	##000000
##3994B7	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8191B9

Deuteranopia (green-blind)

#7085B7

Tritanopia (blue-blind)

#009E9F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3994b7;
/* rgb */ color: rgb(57, 148, 183);
/* oklch */ color: oklch(62.7% 0.099 227.2);

Tailwind

colors: {
  custom: {
    50: '#7fb3cc',
    500: '#3994b7',
    950: '#000000',
  },
}

SCSS

$custom: #3994b7;
$custom-light: #7fb3cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3994b7",
  "rgb": {
    "r": 57,
    "g": 148,
    "b": 183
  },
  "hsl": {
    "h": 196.667,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.62737,
    "c": 0.09943,
    "h": 227.2
  },
  "luminance": 0.25469
}

Semantic roles & 50–950 ramp

primary

#3994B7

secondary

#C79785

accent

#744CDC

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3994B7

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

Preview Lab → · Contrast checker → · Palette generator →