#3188C4#3188C4

#3188C4 is a mid, vivid cyan. Relative luminance 0.222; OKLCH L 60.3% C 0.122 H 243.1°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3188C4
RGB	rgb(49, 136, 196)
HSL	hsl(204, 60%, 48%)
HSV	hsv(204, 75%, 77%)
CMYK	cmyk(75%, 30.6%, 0%, 23.1%)
CIE-LAB	lab(54.29, -5.41, -38.53)
CIE-LCH	lch(54.29, 38.91, 262.01°)
OKLab	oklab(60.29% -0.0555 -0.1091)
OKLCH	oklch(60.29% 0.122 243.1)
XYZ	xyz(20.0307, 22.2445, 55.4518)
Luminance	0.2225 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3188C4 #C46D31

analogous

#31C4B6 #3188C4 #313EC4

triadic

#3188C4 #C43188 #88C431

tetradic

#3188C4 #B631C4 #C46D31 #3EC431

square

#3188C4 #B631C4 #C46D31 #3EC431

split-complementary

#3188C4 #C4313E #C4B631

monochromatic

#194462 #256693 #3188C4 #5CA4D6 #8DC0E2

Accessibility & contrast

On white

3.85

#3188C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#3188C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3188C4

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3188C4	#FFFFFF	#000000	##000000
##3188C4	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C89C7

Deuteranopia (green-blind)

#587CC3

Tritanopia (blue-blind)

#00979D

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3188c4;
/* rgb */ color: rgb(49, 136, 196);
/* oklch */ color: oklch(60.3% 0.122 243.1);

Tailwind

colors: {
  custom: {
    50: '#7daad6',
    500: '#3188c4',
    950: '#000000',
  },
}

SCSS

$custom: #3188c4;
$custom-light: #7daad6;
$custom-dark: #000000;

JSON

{
  "hex": "#3188c4",
  "rgb": {
    "r": 49,
    "g": 136,
    "b": 196
  },
  "hsl": {
    "h": 204.49,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.60286,
    "c": 0.12243,
    "h": 243.1
  },
  "luminance": 0.22247
}

Semantic roles & 50–950 ramp

primary

#3188C4

secondary

#CDA284

accent

#8545E3

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3188C4

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

Preview Lab → · Contrast checker → · Palette generator →