#3970BA#3970BA

#3970BA is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.5% C 0.130 H 256.6°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3970BA
RGB	rgb(57, 112, 186)
HSL	hsl(214, 53%, 48%)
HSV	hsv(214, 69%, 73%)
CMYK	cmyk(69.4%, 39.8%, 0%, 27.1%)
CIE-LAB	lab(46.98, 6.57, -44.34)
CIE-LCH	lch(46.98, 44.83, 278.43°)
OKLab	oklab(54.46% -0.0302 -0.1264)
OKLCH	oklch(54.46% 0.13 256.6)
XYZ	xyz(16.3412, 16.0017, 48.6723)
Luminance	0.1600 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3970BA #BA8339

analogous

#39B0BA #3970BA #4339BA

triadic

#3970BA #BA3970 #70BA39

tetradic

#3970BA #BA39B0 #BA8339 #39BA43

square

#3970BA #BA39B0 #BA8339 #39BA43

split-complementary

#3970BA #BA4339 #B0BA39

monochromatic

#1C385C #2B548B #3970BA #6190CF #90B1DD

Accessibility & contrast

On white

5.00

#3970BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3970BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3970BA

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3970BA	#FFFFFF	#000000	##FFFFFF
##3970BA	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E76BD

Deuteranopia (green-blind)

#3A6AB8

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3970ba;
/* rgb */ color: rgb(57, 112, 186);
/* oklch */ color: oklch(54.5% 0.130 256.6);

Tailwind

colors: {
  custom: {
    50: '#7e98cf',
    500: '#3970ba',
    950: '#000000',
  },
}

SCSS

$custom: #3970ba;
$custom-light: #7e98cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3970ba",
  "rgb": {
    "r": 57,
    "g": 112,
    "b": 186
  },
  "hsl": {
    "h": 214.419,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54455,
    "c": 0.12992,
    "h": 256.6
  },
  "luminance": 0.16003
}

Semantic roles & 50–950 ramp

primary

#3970BA

secondary

#C8AC87

accent

#9F4BDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3970BA

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

Preview Lab → · Contrast checker → · Palette generator →