#3487D1#3487D1

#3487D1 is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 60.9% C 0.138 H 249.1°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3487D1
RGB	rgb(52, 135, 209)
HSL	hsl(208, 63%, 51%)
HSV	hsv(208, 75%, 82%)
CMYK	cmyk(75.1%, 35.4%, 0%, 18%)
CIE-LAB	lab(54.72, 0.22, -45.21)
CIE-LCH	lch(54.72, 45.21, 270.29°)
OKLab	oklab(60.86% -0.0492 -0.1286)
OKLCH	oklch(60.86% 0.138 249.1)
XYZ	xyz(21.5844, 22.6590, 63.5453)
Luminance	0.2266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3487D1 #D17E34

analogous

#34D1CC #3487D1 #3438D1

triadic

#3487D1 #D13487 #87D134

tetradic

#3487D1 #CC34D1 #D17E34 #38D134

square

#3487D1 #CC34D1 #D17E34 #38D134

split-complementary

#3487D1 #D13438 #D1CC34

monochromatic

#1A4871 #2568A3 #3487D1 #66A4DC #98C2E8

Accessibility & contrast

On white

3.80

#3487D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#3487D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3487D1

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3487D1	#FFFFFF	#000000	##000000
##3487D1	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658BD4

Deuteranopia (green-blind)

#4E7CD0

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3487d1;
/* rgb */ color: rgb(52, 135, 209);
/* oklch */ color: oklch(60.9% 0.138 249.1);

Tailwind

colors: {
  custom: {
    50: '#80a9df',
    500: '#3487d1',
    950: '#000000',
  },
}

SCSS

$custom: #3487d1;
$custom-light: #80a9df;
$custom-dark: #000000;

JSON

{
  "hex": "#3487d1",
  "rgb": {
    "r": 52,
    "g": 135,
    "b": 209
  },
  "hsl": {
    "h": 208.28,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.60862,
    "c": 0.1377,
    "h": 249.1
  },
  "luminance": 0.22661
}

Semantic roles & 50–950 ramp

primary

#3487D1

secondary

#D3AE8E

accent

#8F42E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3487D1

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

Preview Lab → · Contrast checker → · Palette generator →