#3870AC#3870AC

#3870AC is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.6% C 0.112 H 252.0°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3870AC
RGB	rgb(56, 112, 172)
HSL	hsl(211, 51%, 45%)
HSV	hsv(211, 67%, 67%)
CMYK	cmyk(67.4%, 34.9%, 0%, 32.5%)
CIE-LAB	lab(46.19, 1.37, -37.46)
CIE-LCH	lch(46.19, 37.48, 272.09°)
OKLab	oklab(53.58% -0.0344 -0.1062)
OKLCH	oklch(53.58% 0.112 252)
XYZ	xyz(14.8687, 15.4061, 41.2118)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3870AC #AC7438

analogous

#38AAAC #3870AC #3A38AC

triadic

#3870AC #AC3870 #70AC38

tetradic

#3870AC #AC38AA #AC7438 #38AC3A

square

#3870AC #AC38AA #AC7438 #38AC3A

split-complementary

#3870AC #AC3A38 #AAAC38

monochromatic

#1A3450 #29527E #3870AC #588FC9 #87AED8

Accessibility & contrast

On white

5.15

#3870AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#3870AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3870AC

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3870AC	#FFFFFF	#000000	##FFFFFF
##3870AC	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5673AF

Deuteranopia (green-blind)

#4568AB

Tritanopia (blue-blind)

#007E86

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3870ac;
/* rgb */ color: rgb(56, 112, 172);
/* oklch */ color: oklch(53.6% 0.112 252.0);

Tailwind

colors: {
  custom: {
    50: '#7b98c5',
    500: '#3870ac',
    950: '#000000',
  },
}

SCSS

$custom: #3870ac;
$custom-light: #7b98c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3870ac",
  "rgb": {
    "r": 56,
    "g": 112,
    "b": 172
  },
  "hsl": {
    "h": 211.034,
    "s": 50.877,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53581,
    "c": 0.11168,
    "h": 252
  },
  "luminance": 0.15408
}

Semantic roles & 50–950 ramp

primary

#3870AC

secondary

#C2A17E

accent

#964DDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3870AC

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

Preview Lab → · Contrast checker → · Palette generator →