#3979AA#3979AA

#3979AA is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.6% C 0.101 H 244.2°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3979AA
RGB	rgb(57, 121, 170)
HSL	hsl(206, 50%, 45%)
HSV	hsv(206, 66%, 67%)
CMYK	cmyk(66.5%, 28.8%, 0%, 33.3%)
CIE-LAB	lab(48.82, -4.59, -32.15)
CIE-LCH	lch(48.82, 32.48, 261.88°)
OKLab	oklab(55.63% -0.0438 -0.0907)
OKLCH	oklch(55.63% 0.101 244.2)
XYZ	xyz(15.7777, 17.4453, 40.5582)
Luminance	0.1745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979AA #AA6A39

analogous

#39AAA3 #3979AA #3940AA

triadic

#3979AA #AA3979 #79AA39

tetradic

#3979AA #A339AA #AA6A39 #40AA39

square

#3979AA #A339AA #AA6A39 #40AA39

split-complementary

#3979AA #AA3940 #AAA339

monochromatic

#1A384E #2A587C #3979AA #5997C7 #87B4D7

Accessibility & contrast

On white

4.68

#3979AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#3979AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3979AA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

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

Color blindness preview

Protanopia (red-blind)

#637AAC

Deuteranopia (green-blind)

#546FA9

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3979aa;
/* rgb */ color: rgb(57, 121, 170);
/* oklch */ color: oklch(55.6% 0.101 244.2);

Tailwind

colors: {
  custom: {
    50: '#7b9fc3',
    500: '#3979aa',
    950: '#000000',
  },
}

SCSS

$custom: #3979aa;
$custom-light: #7b9fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3979aa",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 170
  },
  "hsl": {
    "h": 206.018,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55629,
    "c": 0.1007,
    "h": 244.2
  },
  "luminance": 0.17447
}

Semantic roles & 50–950 ramp

primary

#3979AA

secondary

#C19B7E

accent

#8B4ED9

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3979AA

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

Preview Lab → · Contrast checker → · Palette generator →