#3979D2#3979D2

#3979D2 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 58.0% C 0.152 H 257.3°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3979D2
RGB	rgb(57, 121, 210)
HSL	hsl(215, 63%, 52%)
HSV	hsv(215, 73%, 82%)
CMYK	cmyk(72.9%, 42.4%, 0%, 17.6%)
CIE-LAB	lab(50.92, 9.73, -51.82)
CIE-LCH	lch(50.92, 52.72, 280.63°)
OKLab	oklab(57.96% -0.0334 -0.1482)
OKLCH	oklch(57.96% 0.152 257.3)
XYZ	xyz(20.1533, 19.1955, 63.6032)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979D2 #D29239

analogous

#39C6D2 #3979D2 #4639D2

triadic

#3979D2 #D23979 #79D239

tetradic

#3979D2 #D239C6 #D29239 #39D246

square

#3979D2 #D239C6 #D29239 #39D246

split-complementary

#3979D2 #D24639 #C6D239

monochromatic

#1B4176 #265CA8 #3979D2 #6B9BDD #9DBCE9

Accessibility & contrast

On white

4.34

#3979D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#3979D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3979D2

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3979D2	#FFFFFF	#000000	##000000
##3979D2	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E81D5

Deuteranopia (green-blind)

#3373D0

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3979d2;
/* rgb */ color: rgb(57, 121, 210);
/* oklch */ color: oklch(58.0% 0.152 257.3);

Tailwind

colors: {
  custom: {
    50: '#829fe0',
    500: '#3979d2',
    950: '#000000',
  },
}

SCSS

$custom: #3979d2;
$custom-light: #829fe0;
$custom-dark: #000000;

JSON

{
  "hex": "#3979d2",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 210
  },
  "hsl": {
    "h": 214.902,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57955,
    "c": 0.15188,
    "h": 257.3
  },
  "luminance": 0.19198
}

Semantic roles & 50–950 ramp

primary

#3979D2

secondary

#D5B992

accent

#A142E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3979D2

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

Preview Lab → · Contrast checker → · Palette generator →