#3188E2#3188E2

#3188E2 is a light, vivid cyan. Relative luminance 0.238; OKLCH L 62.0% C 0.159 H 252.6°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3188E2
RGB	rgb(49, 136, 226)
HSL	hsl(211, 75%, 54%)
HSV	hsv(211, 78%, 89%)
CMYK	cmyk(78.3%, 39.8%, 0%, 11.4%)
CIE-LAB	lab(55.84, 5.48, -52.98)
CIE-LCH	lch(55.84, 53.27, 275.91°)
OKLab	oklab(62.01% -0.0475 -0.1514)
OKLCH	oklch(62.01% 0.159 252.6)
XYZ	xyz(23.7931, 23.7494, 75.2669)
Luminance	0.2375 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3188E2 #E28B31

analogous

#31E1E2 #3188E2 #3331E2

triadic

#3188E2 #E23188 #88E231

tetradic

#3188E2 #E231E1 #E28B31 #31E233

square

#3188E2 #E231E1 #E28B31 #31E233

split-complementary

#3188E2 #E23331 #E1E231

monochromatic

#134B86 #1A6ABB #3188E2 #67A7EA #9CC6F1

Accessibility & contrast

On white

3.65

#3188E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#3188E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3188E2

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3188E2	#FFFFFF	#000000	##000000
##3188E2	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8EE6

Deuteranopia (green-blind)

#3F7EE0

Tritanopia (blue-blind)

#009DAA

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3188e2;
/* rgb */ color: rgb(49, 136, 226);
/* oklch */ color: oklch(62.0% 0.159 252.6);

Tailwind

colors: {
  custom: {
    50: '#83aaeb',
    500: '#3188e2',
    950: '#000000',
  },
}

SCSS

$custom: #3188e2;
$custom-light: #83aaeb;
$custom-dark: #000000;

JSON

{
  "hex": "#3188e2",
  "rgb": {
    "r": 49,
    "g": 136,
    "b": 226
  },
  "hsl": {
    "h": 210.508,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.62009,
    "c": 0.1587,
    "h": 252.6
  },
  "luminance": 0.23752
}

Semantic roles & 50–950 ramp

primary

#3188E2

secondary

#DDB892

accent

#9536F2

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3188E2

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

Preview Lab → · Contrast checker → · Palette generator →