#3979C7#3979C7

#3979C7 is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.3% C 0.137 H 254.9°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3979C7
RGB	rgb(57, 121, 199)
HSL	hsl(213, 56%, 50%)
HSV	hsv(213, 71%, 78%)
CMYK	cmyk(71.4%, 39.2%, 0%, 22%)
CIE-LAB	lab(50.29, 5.73, -46.54)
CIE-LCH	lch(50.29, 46.89, 277.01°)
OKLab	oklab(57.27% -0.0358 -0.1327)
OKLCH	oklch(57.27% 0.137 254.9)
XYZ	xyz(18.8297, 18.6661, 56.6323)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979C7 #C78739

analogous

#39C0C7 #3979C7 #4039C7

triadic

#3979C7 #C73979 #79C739

tetradic

#3979C7 #C739C0 #C78739 #39C740

square

#3979C7 #C739C0 #C78739 #39C740

split-complementary

#3979C7 #C74039 #C0C739

monochromatic

#1D3F68 #2B5C98 #3979C7 #6999D4 #98BAE2

Accessibility & contrast

On white

4.44

#3979C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3979C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3979C7

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3979C7	#FFFFFF	#000000	##000000
##3979C7	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557FCA

Deuteranopia (green-blind)

#3F72C5

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3979c7;
/* rgb */ color: rgb(57, 121, 199);
/* oklch */ color: oklch(57.3% 0.137 254.9);

Tailwind

colors: {
  custom: {
    50: '#809fd8',
    500: '#3979c7',
    950: '#000000',
  },
}

SCSS

$custom: #3979c7;
$custom-light: #809fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3979c7",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 199
  },
  "hsl": {
    "h": 212.958,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57271,
    "c": 0.13741,
    "h": 254.9
  },
  "luminance": 0.18668
}

Semantic roles & 50–950 ramp

primary

#3979C7

secondary

#CEB18E

accent

#9B49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3979C7

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

Preview Lab → · Contrast checker → · Palette generator →