#3979CA#3979CA

#3979CA is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.5% C 0.141 H 255.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3979CA
RGB	rgb(57, 121, 202)
HSL	hsl(214, 58%, 51%)
HSV	hsv(214, 72%, 79%)
CMYK	cmyk(71.8%, 40.1%, 0%, 20.8%)
CIE-LAB	lab(50.46, 6.81, -47.99)
CIE-LCH	lch(50.46, 48.47, 278.08°)
OKLab	oklab(57.45% -0.0351 -0.1369)
OKLCH	oklch(57.45% 0.141 255.6)
XYZ	xyz(19.1815, 18.8068, 58.4848)
Luminance	0.1881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979CA #CA8A39

analogous

#39C2CA #3979CA #4139CA

triadic

#3979CA #CA3979 #79CA39

tetradic

#3979CA #CA39C2 #CA8A39 #39CA41

square

#3979CA #CA39C2 #CA8A39 #39CA41

split-complementary

#3979CA #CA4139 #C2CA39

monochromatic

#1D406C #2A5C9C #3979CA #699AD7 #9ABAE4

Accessibility & contrast

On white

4.41

#3979CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3979CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3979CA

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3979CA	#FFFFFF	#000000	##000000
##3979CA	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537FCD

Deuteranopia (green-blind)

#3C72C8

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3979ca;
/* rgb */ color: rgb(57, 121, 202);
/* oklch */ color: oklch(57.5% 0.141 255.6);

Tailwind

colors: {
  custom: {
    50: '#819fda',
    500: '#3979ca',
    950: '#000000',
  },
}

SCSS

$custom: #3979ca;
$custom-light: #819fda;
$custom-dark: #000000;

JSON

{
  "hex": "#3979ca",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 202
  },
  "hsl": {
    "h": 213.517,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57454,
    "c": 0.14135,
    "h": 255.6
  },
  "luminance": 0.18809
}

Semantic roles & 50–950 ramp

primary

#3979CA

secondary

#D0B38F

accent

#9D47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3979CA

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

Preview Lab → · Contrast checker → · Palette generator →