#3993CC#3993CC

#3993CC is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.5% C 0.120 H 240.5°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#3993CC
RGB	rgb(57, 147, 204)
HSL	hsl(203, 59%, 51%)
HSV	hsv(203, 72%, 80%)
CMYK	cmyk(72.1%, 27.9%, 0%, 20%)
CIE-LAB	lab(58.13, -7.86, -37.01)
CIE-LCH	lch(58.13, 37.84, 258.01°)
OKLab	oklab(63.51% -0.0592 -0.1045)
OKLCH	oklch(63.51% 0.12 240.5)
XYZ	xyz(23.0159, 26.0943, 60.9387)
Luminance	0.2610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3993CC #CC7239

analogous

#39CCBB #3993CC #3949CC

triadic

#3993CC #CC3993 #93CC39

tetradic

#3993CC #BB39CC #CC7239 #49CC39

square

#3993CC #BB39CC #CC7239 #49CC39

split-complementary

#3993CC #CC3949 #CCBB39

monochromatic

#1C4E6E #29719F #3993CC #6AAED9 #9AC8E5

Accessibility & contrast

On white

3.38

#3993CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#3993CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3993CC

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3993CC	#FFFFFF	#000000	##000000
##3993CC	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7994CF

Deuteranopia (green-blind)

#6485CB

Tritanopia (blue-blind)

#00A1A7

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3993cc;
/* rgb */ color: rgb(57, 147, 204);
/* oklch */ color: oklch(63.5% 0.120 240.5);

Tailwind

colors: {
  custom: {
    50: '#82b2dc',
    500: '#3993cc',
    950: '#000000',
  },
}

SCSS

$custom: #3993cc;
$custom-light: #82b2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3993cc",
  "rgb": {
    "r": 57,
    "g": 147,
    "b": 204
  },
  "hsl": {
    "h": 203.265,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.6351,
    "c": 0.12013,
    "h": 240.5
  },
  "luminance": 0.26097
}

Semantic roles & 50–950 ramp

primary

#3993CC

secondary

#D1A990

accent

#8246E2

background

#F8FAFD

surface

#F0F5FB

border

#CBCFD4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3993CC

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

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