#3979C1#3979C1

#3979C1 is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 56.9% C 0.130 H 253.3°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3979C1
RGB	rgb(57, 121, 193)
HSL	hsl(212, 54%, 49%)
HSV	hsv(212, 70%, 76%)
CMYK	cmyk(70.5%, 37.3%, 0%, 24.3%)
CIE-LAB	lab(49.97, 3.56, -43.62)
CIE-LCH	lch(49.97, 43.77, 274.67°)
OKLab	oklab(56.91% -0.0372 -0.1241)
OKLCH	oklch(56.91% 0.13 253.3)
XYZ	xyz(18.1468, 18.3929, 53.0356)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979C1 #C18139

analogous

#39BDC1 #3979C1 #3D39C1

triadic

#3979C1 #C13979 #79C139

tetradic

#3979C1 #C139BD #C18139 #39C13D

square

#3979C1 #C139BD #C18139 #39C13D

split-complementary

#3979C1 #C13D39 #BDC139

monochromatic

#1D3E63 #2B5B92 #3979C1 #6698D2 #95B8E0

Accessibility & contrast

On white

4.49

#3979C1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3979C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3979C1

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3979C1	#FFFFFF	#000000	##000000
##3979C1	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587EC4

Deuteranopia (green-blind)

#4471C0

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3979c1;
/* rgb */ color: rgb(57, 121, 193);
/* oklch */ color: oklch(56.9% 0.130 253.3);

Tailwind

colors: {
  custom: {
    50: '#7f9fd4',
    500: '#3979c1',
    950: '#000000',
  },
}

SCSS

$custom: #3979c1;
$custom-light: #7f9fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3979c1",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 193
  },
  "hsl": {
    "h": 211.765,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56912,
    "c": 0.12958,
    "h": 253.3
  },
  "luminance": 0.18395
}

Semantic roles & 50–950 ramp

primary

#3979C1

secondary

#CBAD8B

accent

#984ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3979C1

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

Preview Lab → · Contrast checker → · Palette generator →