#3979C0#3979C0

#3979C0 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.9% C 0.128 H 253.0°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3979C0
RGB	rgb(57, 121, 192)
HSL	hsl(212, 54%, 49%)
HSV	hsv(212, 70%, 75%)
CMYK	cmyk(70.3%, 37%, 0%, 24.7%)
CIE-LAB	lab(49.92, 3.20, -43.13)
CIE-LCH	lch(49.92, 43.25, 274.24°)
OKLab	oklab(56.85% -0.0375 -0.1227)
OKLCH	oklch(56.85% 0.128 253)
XYZ	xyz(18.0356, 18.3484, 52.4500)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979C0 #C08039

analogous

#39BDC0 #3979C0 #3D39C0

triadic

#3979C0 #C03979 #79C039

tetradic

#3979C0 #C039BD #C08039 #39C03D

square

#3979C0 #C039BD #C08039 #39C03D

split-complementary

#3979C0 #C03D39 #BDC039

monochromatic

#1D3E62 #2B5B91 #3979C0 #6598D1 #94B8DF

Accessibility & contrast

On white

4.50

#3979C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#3979C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3979C0

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3979C0	#FFFFFF	#000000	##000000
##3979C0	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597EC3

Deuteranopia (green-blind)

#4571BF

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3979c0;
/* rgb */ color: rgb(57, 121, 192);
/* oklch */ color: oklch(56.9% 0.128 253.0);

Tailwind

colors: {
  custom: {
    50: '#7f9fd3',
    500: '#3979c0',
    950: '#000000',
  },
}

SCSS

$custom: #3979c0;
$custom-light: #7f9fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3979c0",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 192
  },
  "hsl": {
    "h": 211.556,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56853,
    "c": 0.12828,
    "h": 253
  },
  "luminance": 0.1835
}

Semantic roles & 50–950 ramp

primary

#3979C0

secondary

#CBAC8A

accent

#984ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3979C0

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

Preview Lab → · Contrast checker → · Palette generator →