#3986CB#3986CB

#3986CB is a mid, vivid cyan. Relative luminance 0.222; OKLCH L 60.5% C 0.130 H 248.7°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3986CB
RGB	rgb(57, 134, 203)
HSL	hsl(208, 58%, 51%)
HSV	hsv(208, 72%, 80%)
CMYK	cmyk(71.9%, 34%, 0%, 20.4%)
CIE-LAB	lab(54.27, -0.67, -42.52)
CIE-LCH	lch(54.27, 42.52, 269.09°)
OKLab	oklab(60.45% -0.047 -0.1207)
OKLCH	oklch(60.45% 0.13 248.7)
XYZ	xyz(20.9879, 22.2295, 59.6729)
Luminance	0.2223 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3986CB #CB7E39

analogous

#39CBC7 #3986CB #393DCB

triadic

#3986CB #CB3986 #86CB39

tetradic

#3986CB #C739CB #CB7E39 #3DCB39

square

#3986CB #C739CB #CB7E39 #3DCB39

split-complementary

#3986CB #CB393D #CBC739

monochromatic

#1D476D #29679D #3986CB #69A4D8 #9AC1E4

Accessibility & contrast

On white

3.86

#3986CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#3986CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3986CB

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3986CB	#FFFFFF	#000000	##000000
##3986CB	1.00	3.86	5.45	5.45
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6789CE

Deuteranopia (green-blind)

#527CCA

Tritanopia (blue-blind)

#00969F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3986cb;
/* rgb */ color: rgb(57, 134, 203);
/* oklch */ color: oklch(60.5% 0.130 248.7);

Tailwind

colors: {
  custom: {
    50: '#81a8db',
    500: '#3986cb',
    950: '#000000',
  },
}

SCSS

$custom: #3986cb;
$custom-light: #81a8db;
$custom-dark: #000000;

JSON

{
  "hex": "#3986cb",
  "rgb": {
    "r": 57,
    "g": 134,
    "b": 203
  },
  "hsl": {
    "h": 208.356,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.6045,
    "c": 0.12954,
    "h": 248.7
  },
  "luminance": 0.22232
}

Semantic roles & 50–950 ramp

primary

#3986CB

secondary

#D0AE90

accent

#9046E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3986CB

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

Preview Lab → · Contrast checker → · Palette generator →