#3188B0#3188B0

#3188B0 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.3% C 0.101 H 232.2°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3188B0
RGB	rgb(49, 136, 176)
HSL	hsl(199, 56%, 44%)
HSV	hsv(199, 72%, 69%)
CMYK	cmyk(72.2%, 22.7%, 0%, 31%)
CIE-LAB	lab(53.38, -12.42, -28.53)
CIE-LCH	lch(53.38, 31.11, 246.47°)
OKLab	oklab(59.27% -0.0621 -0.0802)
OKLCH	oklch(59.27% 0.101 232.2)
XYZ	xyz(17.9041, 21.3938, 44.2517)
Luminance	0.2140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3188B0 #B05931

analogous

#31B099 #3188B0 #3149B0

triadic

#3188B0 #B03188 #88B031

tetradic

#3188B0 #9931B0 #B05931 #49B031

square

#3188B0 #9931B0 #B05931 #49B031

split-complementary

#3188B0 #B03149 #B09931

monochromatic

#163E50 #246380 #3188B0 #50A6CE #80BFDC

Accessibility & contrast

On white

3.98

#3188B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#3188B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3188B0

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3188B0	#FFFFFF	#000000	##000000
##3188B0	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7486B2

Deuteranopia (green-blind)

#637AAF

Tritanopia (blue-blind)

#009395

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3188b0;
/* rgb */ color: rgb(49, 136, 176);
/* oklch */ color: oklch(59.3% 0.101 232.2);

Tailwind

colors: {
  custom: {
    50: '#7aaac7',
    500: '#3188b0',
    950: '#000000',
  },
}

SCSS

$custom: #3188b0;
$custom-light: #7aaac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3188b0",
  "rgb": {
    "r": 49,
    "g": 136,
    "b": 176
  },
  "hsl": {
    "h": 198.898,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59266,
    "c": 0.10143,
    "h": 232.2
  },
  "luminance": 0.21396
}

Semantic roles & 50–950 ramp

primary

#3188B0

secondary

#C59078

accent

#7848E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3188B0

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

Preview Lab → · Contrast checker → · Palette generator →