#3993BB#3993BB

#3993BB is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.7% C 0.103 H 231.0°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#3993BB
RGB	rgb(57, 147, 187)
HSL	hsl(198, 53%, 48%)
HSV	hsv(198, 70%, 73%)
CMYK	cmyk(69.5%, 21.4%, 0%, 26.7%)
CIE-LAB	lab(57.39, -13.64, -28.57)
CIE-LCH	lch(57.39, 31.66, 244.47°)
OKLab	oklab(62.68% -0.065 -0.0801)
OKLCH	oklch(62.68% 0.103 231)
XYZ	xyz(21.0871, 25.3228, 50.7805)
Luminance	0.2532 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3993BB #BB6139

analogous

#39BBA2 #3993BB #3952BB

triadic

#3993BB #BB3993 #93BB39

tetradic

#3993BB #A239BB #BB6139 #52BB39

square

#3993BB #A239BB #BB6139 #52BB39

split-complementary

#3993BB #BB3952 #BBA239

monochromatic

#1C495D #2B6E8C #3993BB #62AECF #91C6DD

Accessibility & contrast

On white

3.46

#3993BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#3993BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3993BB

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3993BB	#FFFFFF	#000000	##000000
##3993BB	1.00	3.46	6.06	6.06
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F91BD

Deuteranopia (green-blind)

#6D84BA

Tritanopia (blue-blind)

#009EA0

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3993bb;
/* rgb */ color: rgb(57, 147, 187);
/* oklch */ color: oklch(62.7% 0.103 231.0);

Tailwind

colors: {
  custom: {
    50: '#7fb2cf',
    500: '#3993bb',
    950: '#000000',
  },
}

SCSS

$custom: #3993bb;
$custom-light: #7fb2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3993bb",
  "rgb": {
    "r": 57,
    "g": 147,
    "b": 187
  },
  "hsl": {
    "h": 198.462,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.6268,
    "c": 0.10318,
    "h": 231
  },
  "luminance": 0.25325
}

Semantic roles & 50–950 ramp

primary

#3993BB

secondary

#C89B87

accent

#784BDD

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3993BB

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

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