#3986BB#3986BB

#3986BB is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.6% C 0.111 H 242.1°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3986BB
RGB	rgb(57, 134, 187)
HSL	hsl(204, 53%, 48%)
HSV	hsv(204, 70%, 73%)
CMYK	cmyk(69.5%, 28.3%, 0%, 26.7%)
CIE-LAB	lab(53.50, -6.30, -34.62)
CIE-LCH	lch(53.50, 35.19, 259.69°)
OKLab	oklab(59.59% -0.0518 -0.0977)
OKLCH	oklch(59.59% 0.111 242.1)
XYZ	xyz(19.1786, 21.5058, 50.1444)
Luminance	0.2151 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3986BB #BB6E39

analogous

#39BBAF #3986BB #3945BB

triadic

#3986BB #BB3986 #86BB39

tetradic

#3986BB #AF39BB #BB6E39 #45BB39

square

#3986BB #AF39BB #BB6E39 #45BB39

split-complementary

#3986BB #BB3945 #BBAF39

monochromatic

#1C435D #2B648C #3986BB #62A3CF #91BEDD

Accessibility & contrast

On white

3.96

#3986BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#3986BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3986BB

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3986BB	#FFFFFF	#000000	##000000
##3986BB	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E87BD

Deuteranopia (green-blind)

#5C7ABA

Tritanopia (blue-blind)

#009398

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3986bb;
/* rgb */ color: rgb(57, 134, 187);
/* oklch */ color: oklch(59.6% 0.111 242.1);

Tailwind

colors: {
  custom: {
    50: '#7ea9cf',
    500: '#3986bb',
    950: '#000000',
  },
}

SCSS

$custom: #3986bb;
$custom-light: #7ea9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3986bb",
  "rgb": {
    "r": 57,
    "g": 134,
    "b": 187
  },
  "hsl": {
    "h": 204.462,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5959,
    "c": 0.1106,
    "h": 242.1
  },
  "luminance": 0.21508
}

Semantic roles & 50–950 ramp

primary

#3986BB

secondary

#C8A287

accent

#864BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3986BB

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

Preview Lab → · Contrast checker → · Palette generator →