#3979C6#3979C6

#3979C6 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.2% C 0.136 H 254.7°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3979C6
RGB	rgb(57, 121, 198)
HSL	hsl(213, 55%, 50%)
HSV	hsv(213, 71%, 78%)
CMYK	cmyk(71.2%, 38.9%, 0%, 22.4%)
CIE-LAB	lab(50.24, 5.36, -46.06)
CIE-LCH	lch(50.24, 46.37, 276.64°)
OKLab	oklab(57.21% -0.036 -0.1313)
OKLCH	oklch(57.21% 0.136 254.7)
XYZ	xyz(18.7140, 18.6198, 56.0228)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979C6 #C68639

analogous

#39BFC6 #3979C6 #4039C6

triadic

#3979C6 #C63979 #79C639

tetradic

#3979C6 #C639BF #C68639 #39C640

square

#3979C6 #C639BF #C68639 #39C640

split-complementary

#3979C6 #C64039 #BFC639

monochromatic

#1E3F67 #2B5C96 #3979C6 #6999D4 #98B9E1

Accessibility & contrast

On white

4.45

#3979C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#3979C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3979C6

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3979C6	#FFFFFF	#000000	##000000
##3979C6	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557FC9

Deuteranopia (green-blind)

#4072C4

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3979c6;
/* rgb */ color: rgb(57, 121, 198);
/* oklch */ color: oklch(57.2% 0.136 254.7);

Tailwind

colors: {
  custom: {
    50: '#809fd8',
    500: '#3979c6',
    950: '#000000',
  },
}

SCSS

$custom: #3979c6;
$custom-light: #809fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3979c6",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 198
  },
  "hsl": {
    "h": 212.766,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.5721,
    "c": 0.13611,
    "h": 254.7
  },
  "luminance": 0.18622
}

Semantic roles & 50–950 ramp

primary

#3979C6

secondary

#CDB08E

accent

#9B49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3979C6

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

Preview Lab → · Contrast checker → · Palette generator →