#3870A1#3870A1

#3870A1 is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 53.0% C 0.098 H 247.3°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3870A1
RGB	rgb(56, 112, 161)
HSL	hsl(208, 48%, 43%)
HSV	hsv(208, 65%, 63%)
CMYK	cmyk(65.2%, 30.4%, 0%, 36.9%)
CIE-LAB	lab(45.64, -2.52, -31.87)
CIE-LCH	lch(45.64, 31.97, 265.48°)
OKLab	oklab(52.97% -0.0377 -0.09)
OKLCH	oklch(52.97% 0.098 247.3)
XYZ	xyz(13.8557, 15.0009, 35.8766)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3870A1 #A16938

analogous

#38A19D #3870A1 #383CA1

triadic

#3870A1 #A13870 #70A138

tetradic

#3870A1 #9D38A1 #A16938 #3CA138

square

#3870A1 #9D38A1 #A16938 #3CA138

split-complementary

#3870A1 #A1383C #A19D38

monochromatic

#183146 #285074 #3870A1 #538FC3 #80ACD3

Accessibility & contrast

On white

5.25

#3870A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#3870A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3870A1

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3870A1	#FFFFFF	#000000	##FFFFFF
##3870A1	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B72A3

Deuteranopia (green-blind)

#4C67A0

Tritanopia (blue-blind)

#007C81

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3870a1;
/* rgb */ color: rgb(56, 112, 161);
/* oklch */ color: oklch(53.0% 0.098 247.3);

Tailwind

colors: {
  custom: {
    50: '#7998bd',
    500: '#3870a1',
    950: '#000000',
  },
}

SCSS

$custom: #3870a1;
$custom-light: #7998bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3870a1",
  "rgb": {
    "r": 56,
    "g": 112,
    "b": 161
  },
  "hsl": {
    "h": 208,
    "s": 48.387,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52969,
    "c": 0.09753,
    "h": 247.3
  },
  "luminance": 0.15002
}

Semantic roles & 50–950 ramp

primary

#3870A1

secondary

#BC9878

accent

#8F50D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3870A1

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

Preview Lab → · Contrast checker → · Palette generator →