#3188B1#3188B1

#3188B1 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.3% C 0.102 H 232.9°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3188B1
RGB	rgb(49, 136, 177)
HSL	hsl(199, 57%, 44%)
HSV	hsv(199, 72%, 69%)
CMYK	cmyk(72.3%, 23.2%, 0%, 30.6%)
CIE-LAB	lab(53.42, -12.08, -29.04)
CIE-LCH	lch(53.42, 31.45, 247.41°)
OKLab	oklab(59.32% -0.0618 -0.0816)
OKLCH	oklch(59.32% 0.102 232.9)
XYZ	xyz(18.0034, 21.4336, 44.7747)
Luminance	0.2144 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3188B1 #B15A31

analogous

#31B19A #3188B1 #3148B1

triadic

#3188B1 #B13188 #88B131

tetradic

#3188B1 #9A31B1 #B15A31 #48B131

square

#3188B1 #9A31B1 #B15A31 #48B131

split-complementary

#3188B1 #B13148 #B19A31

monochromatic

#163E51 #246381 #3188B1 #51A6CF #80BFDC

Accessibility & contrast

On white

3.97

#3188B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#3188B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3188B1

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3188B1	#FFFFFF	#000000	##000000
##3188B1	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7487B3

Deuteranopia (green-blind)

#627AB0

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3188b1;
/* rgb */ color: rgb(49, 136, 177);
/* oklch */ color: oklch(59.3% 0.102 232.9);

Tailwind

colors: {
  custom: {
    50: '#7aaac8',
    500: '#3188b1',
    950: '#000000',
  },
}

SCSS

$custom: #3188b1;
$custom-light: #7aaac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3188b1",
  "rgb": {
    "r": 49,
    "g": 136,
    "b": 177
  },
  "hsl": {
    "h": 199.219,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.59315,
    "c": 0.10237,
    "h": 232.9
  },
  "luminance": 0.21436
}

Semantic roles & 50–950 ramp

primary

#3188B1

secondary

#C59179

accent

#7948E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3188B1

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

Preview Lab → · Contrast checker → · Palette generator →