#3B87D0#3B87D0

#3B87D0 is a mid, vivid cyan. Relative luminance 0.228; OKLCH L 61.0% C 0.134 H 250.2°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3B87D0
RGB	rgb(59, 135, 208)
HSL	hsl(209, 61%, 52%)
HSV	hsv(209, 72%, 82%)
CMYK	cmyk(71.6%, 35.1%, 0%, 18.4%)
CIE-LAB	lab(54.88, 0.79, -44.38)
CIE-LCH	lch(54.88, 44.39, 271.02°)
OKLab	oklab(61.03% -0.0454 -0.1261)
OKLCH	oklch(61.03% 0.134 250.2)
XYZ	xyz(21.8485, 22.8094, 62.9135)
Luminance	0.2281 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B87D0 #D0843B

analogous

#3BD0CF #3B87D0 #3B3DD0

triadic

#3B87D0 #D03B87 #87D03B

tetradic

#3B87D0 #CF3BD0 #D0843B #3DD03B

square

#3B87D0 #CF3BD0 #D0843B #3DD03B

split-complementary

#3B87D0 #D03B3D #D0CF3B

monochromatic

#1C4975 #2868A6 #3B87D0 #6CA5DC #9EC3E8

Accessibility & contrast

On white

3.78

#3B87D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#3B87D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B87D0

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B87D0	#FFFFFF	#000000	##000000
##3B87D0	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#668BD3

Deuteranopia (green-blind)

#507DCF

Tritanopia (blue-blind)

#0098A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3b87d0;
/* rgb */ color: rgb(59, 135, 208);
/* oklch */ color: oklch(61.0% 0.134 250.2);

Tailwind

colors: {
  custom: {
    50: '#83a9df',
    500: '#3b87d0',
    950: '#000000',
  },
}

SCSS

$custom: #3b87d0;
$custom-light: #83a9df;
$custom-dark: #000000;

JSON

{
  "hex": "#3b87d0",
  "rgb": {
    "r": 59,
    "g": 135,
    "b": 208
  },
  "hsl": {
    "h": 209.396,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.61026,
    "c": 0.13404,
    "h": 250.2
  },
  "luminance": 0.22812
}

Semantic roles & 50–950 ramp

primary

#3B87D0

secondary

#D4B393

accent

#9243E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3B87D0

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

Preview Lab → · Contrast checker → · Palette generator →