#3870AA#3870AA

#3870AA is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.5% C 0.109 H 251.3°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3870AA
RGB	rgb(56, 112, 170)
HSL	hsl(211, 50%, 44%)
HSV	hsv(211, 67%, 67%)
CMYK	cmyk(67.1%, 34.1%, 0%, 33.3%)
CIE-LAB	lab(46.08, 0.66, -36.45)
CIE-LCH	lch(46.08, 36.45, 271.03°)
OKLab	oklab(53.47% -0.035 -0.1033)
OKLCH	oklch(53.47% 0.109 251.3)
XYZ	xyz(14.6781, 15.3299, 40.2078)
Luminance	0.1533 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3870AA #AA7238

analogous

#38A9AA #3870AA #3938AA

triadic

#3870AA #AA3870 #70AA38

tetradic

#3870AA #AA38A9 #AA7238 #38AA39

square

#3870AA #AA38A9 #AA7238 #38AA39

split-complementary

#3870AA #AA3938 #A9AA38

monochromatic

#1A334E #29527C #3870AA #578FC8 #85ADD7

Accessibility & contrast

On white

5.16

#3870AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#3870AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3870AA

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3870AA	#FFFFFF	#000000	##FFFFFF
##3870AA	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: #3870aa;
/* rgb */ color: rgb(56, 112, 170);
/* oklch */ color: oklch(53.5% 0.109 251.3);

Tailwind

colors: {
  custom: {
    50: '#7b98c3',
    500: '#3870aa',
    950: '#000000',
  },
}

SCSS

$custom: #3870aa;
$custom-light: #7b98c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3870aa",
  "rgb": {
    "r": 56,
    "g": 112,
    "b": 170
  },
  "hsl": {
    "h": 210.526,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53467,
    "c": 0.10906,
    "h": 251.3
  },
  "luminance": 0.15331
}

Semantic roles & 50–950 ramp

primary

#3870AA

secondary

#C19F7D

accent

#954EDA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3870AA

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

Preview Lab → · Contrast checker → · Palette generator →