#3970AA#3970AA

#3970AA is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.5% C 0.109 H 251.6°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3970AA
RGB	rgb(57, 112, 170)
HSL	hsl(211, 50%, 45%)
HSV	hsv(211, 66%, 67%)
CMYK	cmyk(66.5%, 34.1%, 0%, 33.3%)
CIE-LAB	lab(46.12, 0.83, -36.38)
CIE-LCH	lch(46.12, 36.39, 271.31°)
OKLab	oklab(53.51% -0.0343 -0.1031)
OKLCH	oklch(53.51% 0.109 251.6)
XYZ	xyz(14.7345, 15.3590, 40.2105)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3970AA #AA7339

analogous

#39A9AA #3970AA #3A39AA

triadic

#3970AA #AA3970 #70AA39

tetradic

#3970AA #AA39A9 #AA7339 #39AA3A

square

#3970AA #AA39A9 #AA7339 #39AA3A

split-complementary

#3970AA #AA3A39 #A9AA39

monochromatic

#1A344E #2A527C #3970AA #598FC7 #87AED7

Accessibility & contrast

On white

5.16

#3970AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#3970AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3970AA

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3970AA	#FFFFFF	#000000	##FFFFFF
##3970AA	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5773AC

Deuteranopia (green-blind)

#4768A9

Tritanopia (blue-blind)

#007E85

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3970aa;
/* rgb */ color: rgb(57, 112, 170);
/* oklch */ color: oklch(53.5% 0.109 251.6);

Tailwind

colors: {
  custom: {
    50: '#7b98c3',
    500: '#3970aa',
    950: '#000000',
  },
}

SCSS

$custom: #3970aa;
$custom-light: #7b98c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3970aa",
  "rgb": {
    "r": 57,
    "g": 112,
    "b": 170
  },
  "hsl": {
    "h": 210.796,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53509,
    "c": 0.10862,
    "h": 251.6
  },
  "luminance": 0.1536
}

Semantic roles & 50–950 ramp

primary

#3970AA

secondary

#C1A07E

accent

#964ED9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3970AA

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

Preview Lab → · Contrast checker → · Palette generator →