#3980CC#3980CC

#3980CC is a mid, vivid cyan. Relative luminance 0.207; OKLCH L 59.1% C 0.137 H 252.5°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3980CC
RGB	rgb(57, 128, 204)
HSL	hsl(211, 59%, 51%)
HSV	hsv(211, 72%, 80%)
CMYK	cmyk(72.1%, 37.3%, 0%, 20%)
CIE-LAB	lab(52.58, 3.27, -45.76)
CIE-LCH	lch(52.58, 45.87, 274.09°)
OKLab	oklab(59.14% -0.0411 -0.1303)
OKLCH	oklch(59.14% 0.137 252.5)
XYZ	xyz(20.3015, 20.6656, 60.0339)
Luminance	0.2067 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980CC #CC8539

analogous

#39CACC #3980CC #3B39CC

triadic

#3980CC #CC3980 #80CC39

tetradic

#3980CC #CC39CA #CC8539 #39CC3B

square

#3980CC #CC39CA #CC8539 #39CC3B

split-complementary

#3980CC #CC3B39 #CACC39

monochromatic

#1C446E #29629F #3980CC #6A9FD9 #9ABEE5

Accessibility & contrast

On white

4.09

#3980CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#3980CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980CC

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980CC	#FFFFFF	#000000	##000000
##3980CC	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D85CF

Deuteranopia (green-blind)

#4777CA

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3980cc;
/* rgb */ color: rgb(57, 128, 204);
/* oklch */ color: oklch(59.1% 0.137 252.5);

Tailwind

colors: {
  custom: {
    50: '#81a4dc',
    500: '#3980cc',
    950: '#000000',
  },
}

SCSS

$custom: #3980cc;
$custom-light: #81a4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3980cc",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 204
  },
  "hsl": {
    "h": 211.02,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.59144,
    "c": 0.1366,
    "h": 252.5
  },
  "luminance": 0.20668
}

Semantic roles & 50–950 ramp

primary

#3980CC

secondary

#D1B290

accent

#9746E2

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3980CC

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

Preview Lab → · Contrast checker → · Palette generator →