#3387D4#3387D4

#3387D4 is a mid, vivid cyan. Relative luminance 0.228; OKLCH L 61.0% C 0.142 H 249.8°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3387D4
RGB	rgb(51, 135, 212)
HSL	hsl(209, 65%, 52%)
HSV	hsv(209, 76%, 83%)
CMYK	cmyk(75.9%, 36.3%, 0%, 16.9%)
CIE-LAB	lab(54.85, 1.19, -46.70)
CIE-LCH	lch(54.85, 46.71, 271.46°)
OKLab	oklab(61.01% -0.049 -0.133)
OKLCH	oklch(61.01% 0.142 249.8)
XYZ	xyz(21.9084, 22.7827, 65.5174)
Luminance	0.2278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3387D4 #D48033

analogous

#33D4D1 #3387D4 #3337D4

triadic

#3387D4 #D43387 #87D433

tetradic

#3387D4 #D133D4 #D48033 #37D433

square

#3387D4 #D133D4 #D48033 #37D433

split-complementary

#3387D4 #D43337 #D4D133

monochromatic

#184874 #2368A7 #3387D4 #66A5DF #98C2E9

Accessibility & contrast

On white

3.78

#3387D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#3387D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3387D4

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3387D4	#FFFFFF	#000000	##000000
##3387D4	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)

#638BD7

Deuteranopia (green-blind)

#4B7DD2

Tritanopia (blue-blind)

#0099A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3387d4;
/* rgb */ color: rgb(51, 135, 212);
/* oklch */ color: oklch(61.0% 0.142 249.8);

Tailwind

colors: {
  custom: {
    50: '#81a9e1',
    500: '#3387d4',
    950: '#000000',
  },
}

SCSS

$custom: #3387d4;
$custom-light: #81a9e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3387d4",
  "rgb": {
    "r": 51,
    "g": 135,
    "b": 212
  },
  "hsl": {
    "h": 208.696,
    "s": 65.182,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61006,
    "c": 0.14172,
    "h": 249.8
  },
  "luminance": 0.22785
}

Semantic roles & 50–950 ramp

primary

#3387D4

secondary

#D5B08E

accent

#9040E8

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3387D4

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

Preview Lab → · Contrast checker → · Palette generator →