#3189AB#3189AB

#3189AB is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.097 H 227.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3189AB
RGB	rgb(49, 137, 171)
HSL	hsl(197, 55%, 43%)
HSV	hsv(197, 71%, 67%)
CMYK	cmyk(71.3%, 19.9%, 0%, 32.9%)
CIE-LAB	lab(53.47, -14.68, -25.51)
CIE-LCH	lch(53.47, 29.43, 240.07°)
OKLab	oklab(59.27% -0.065 -0.0715)
OKLCH	oklch(59.27% 0.097 227.7)
XYZ	xyz(17.5600, 21.4826, 41.7413)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3189AB #AB5331

analogous

#31AB90 #3189AB #314CAB

triadic

#3189AB #AB3189 #89AB31

tetradic

#3189AB #9031AB #AB5331 #4CAB31

square

#3189AB #9031AB #AB5331 #4CAB31

split-complementary

#3189AB #AB314C #AB9031

monochromatic

#163D4C #23637B #3189AB #4DA9CC #7DC0DA

Accessibility & contrast

On white

3.96

#3189AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#3189AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3189AB

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3189AB	#FFFFFF	#000000	##000000
##3189AB	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7787AD

Deuteranopia (green-blind)

#667AAB

Tritanopia (blue-blind)

#009394

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3189ab;
/* rgb */ color: rgb(49, 137, 171);
/* oklch */ color: oklch(59.3% 0.097 227.7);

Tailwind

colors: {
  custom: {
    50: '#79abc4',
    500: '#3189ab',
    950: '#000000',
  },
}

SCSS

$custom: #3189ab;
$custom-light: #79abc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3189ab",
  "rgb": {
    "r": 49,
    "g": 137,
    "b": 171
  },
  "hsl": {
    "h": 196.721,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.59274,
    "c": 0.09662,
    "h": 227.7
  },
  "luminance": 0.21485
}

Semantic roles & 50–950 ramp

primary

#3189AB

secondary

#C28B75

accent

#7349DF

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3189AB

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

Preview Lab → · Contrast checker → · Palette generator →