#3189B0#3189B0

#3189B0 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.5% C 0.101 H 231.3°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3189B0
RGB	rgb(49, 137, 176)
HSL	hsl(198, 56%, 44%)
HSV	hsv(198, 72%, 69%)
CMYK	cmyk(72.2%, 22.2%, 0%, 31%)
CIE-LAB	lab(53.68, -12.98, -28.06)
CIE-LCH	lch(53.68, 30.91, 245.17°)
OKLab	oklab(59.51% -0.0632 -0.0788)
OKLCH	oklch(59.51% 0.101 231.3)
XYZ	xyz(18.0456, 21.6768, 44.2989)
Luminance	0.2168 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3189B0 #B05831

analogous

#31B098 #3189B0 #314AB0

triadic

#3189B0 #B03189 #89B031

tetradic

#3189B0 #9831B0 #B05831 #4AB031

square

#3189B0 #9831B0 #B05831 #4AB031

split-complementary

#3189B0 #B0314A #B09831

monochromatic

#163E50 #246480 #3189B0 #50A7CE #80BFDC

Accessibility & contrast

On white

3.94

#3189B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#3189B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3189B0

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3189B0	#FFFFFF	#000000	##000000
##3189B0	1.00	3.94	5.34	5.34
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7587B2

Deuteranopia (green-blind)

#647BAF

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3189b0;
/* rgb */ color: rgb(49, 137, 176);
/* oklch */ color: oklch(59.5% 0.101 231.3);

Tailwind

colors: {
  custom: {
    50: '#7aabc7',
    500: '#3189b0',
    950: '#000000',
  },
}

SCSS

$custom: #3189b0;
$custom-light: #7aabc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3189b0",
  "rgb": {
    "r": 49,
    "g": 137,
    "b": 176
  },
  "hsl": {
    "h": 198.425,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59509,
    "c": 0.10098,
    "h": 231.3
  },
  "luminance": 0.21679
}

Semantic roles & 50–950 ramp

primary

#3189B0

secondary

#C59078

accent

#7748E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3189B0

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

Preview Lab → · Contrast checker → · Palette generator →