#3979C3#3979C3

#3979C3 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.0% C 0.132 H 253.9°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3979C3
RGB	rgb(57, 121, 195)
HSL	hsl(212, 55%, 49%)
HSV	hsv(212, 71%, 76%)
CMYK	cmyk(70.8%, 37.9%, 0%, 23.5%)
CIE-LAB	lab(50.08, 4.28, -44.60)
CIE-LCH	lch(50.08, 44.80, 275.48°)
OKLab	oklab(57.03% -0.0367 -0.127)
OKLCH	oklch(57.03% 0.132 253.9)
XYZ	xyz(18.3714, 18.4828, 54.2185)
Luminance	0.1848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979C3 #C38339

analogous

#39BEC3 #3979C3 #3E39C3

triadic

#3979C3 #C33979 #79C339

tetradic

#3979C3 #C339BE #C38339 #39C33E

square

#3979C3 #C339BE #C38339 #39C33E

split-complementary

#3979C3 #C33E39 #BEC339

monochromatic

#1D3E64 #2B5C94 #3979C3 #6799D2 #96B9E0

Accessibility & contrast

On white

4.47

#3979C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#3979C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3979C3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3979C3	#FFFFFF	#000000	##000000
##3979C3	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577EC6

Deuteranopia (green-blind)

#4271C2

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3979c3;
/* rgb */ color: rgb(57, 121, 195);
/* oklch */ color: oklch(57.0% 0.132 253.9);

Tailwind

colors: {
  custom: {
    50: '#809fd5',
    500: '#3979c3',
    950: '#000000',
  },
}

SCSS

$custom: #3979c3;
$custom-light: #809fd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3979c3",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 195
  },
  "hsl": {
    "h": 212.174,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.5703,
    "c": 0.13218,
    "h": 253.9
  },
  "luminance": 0.18485
}

Semantic roles & 50–950 ramp

primary

#3979C3

secondary

#CCAE8C

accent

#994ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3979C3

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

Preview Lab → · Contrast checker → · Palette generator →