#3189B4#3189B4

#3189B4 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.7% C 0.105 H 233.9°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3189B4
RGB	rgb(49, 137, 180)
HSL	hsl(200, 57%, 45%)
HSV	hsv(200, 73%, 71%)
CMYK	cmyk(72.8%, 23.9%, 0%, 29.4%)
CIE-LAB	lab(53.85, -11.61, -30.08)
CIE-LCH	lch(53.85, 32.24, 248.90°)
OKLab	oklab(59.7% -0.0617 -0.0846)
OKLCH	oklch(59.7% 0.105 233.9)
XYZ	xyz(18.4472, 21.8375, 46.4140)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3189B4 #B45C31

analogous

#31B49E #3189B4 #3147B4

triadic

#3189B4 #B43189 #89B431

tetradic

#3189B4 #9E31B4 #B45C31 #47B431

square

#3189B4 #9E31B4 #B45C31 #47B431

split-complementary

#3189B4 #B43147 #B49E31

monochromatic

#174054 #246484 #3189B4 #52A7D0 #82BFDD

Accessibility & contrast

On white

3.91

#3189B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#3189B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3189B4

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3189B4	#FFFFFF	#000000	##000000
##3189B4	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7488B6

Deuteranopia (green-blind)

#627BB3

Tritanopia (blue-blind)

#009498

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3189b4;
/* rgb */ color: rgb(49, 137, 180);
/* oklch */ color: oklch(59.7% 0.105 233.9);

Tailwind

colors: {
  custom: {
    50: '#7aabca',
    500: '#3189b4',
    950: '#000000',
  },
}

SCSS

$custom: #3189b4;
$custom-light: #7aabca;
$custom-dark: #000000;

JSON

{
  "hex": "#3189b4",
  "rgb": {
    "r": 49,
    "g": 137,
    "b": 180
  },
  "hsl": {
    "h": 199.695,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.59703,
    "c": 0.10475,
    "h": 233.9
  },
  "luminance": 0.2184
}

Semantic roles & 50–950 ramp

primary

#3189B4

secondary

#C6937B

accent

#7A47E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3189B4

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

Preview Lab → · Contrast checker → · Palette generator →