#3187B0#3187B0

#3187B0 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.0% C 0.102 H 233.1°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3187B0
RGB	rgb(49, 135, 176)
HSL	hsl(199, 56%, 44%)
HSV	hsv(199, 72%, 69%)
CMYK	cmyk(72.2%, 23.3%, 0%, 31%)
CIE-LAB	lab(53.07, -11.86, -29.00)
CIE-LCH	lch(53.07, 31.33, 247.76°)
OKLab	oklab(59.02% -0.0611 -0.0815)
OKLCH	oklch(59.02% 0.102 233.1)
XYZ	xyz(17.7639, 21.1135, 44.2050)
Luminance	0.2112 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3187B0 #B05A31

analogous

#31B09A #3187B0 #3148B0

triadic

#3187B0 #B03187 #87B031

tetradic

#3187B0 #9A31B0 #B05A31 #48B031

square

#3187B0 #9A31B0 #B05A31 #48B031

split-complementary

#3187B0 #B03148 #B09A31

monochromatic

#163E50 #246280 #3187B0 #50A5CE #80BEDC

Accessibility & contrast

On white

4.02

#3187B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3187B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3187B0

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3187B0	#FFFFFF	#000000	##000000
##3187B0	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7386B2

Deuteranopia (green-blind)

#6179AF

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3187b0;
/* rgb */ color: rgb(49, 135, 176);
/* oklch */ color: oklch(59.0% 0.102 233.1);

Tailwind

colors: {
  custom: {
    50: '#7aaac7',
    500: '#3187b0',
    950: '#000000',
  },
}

SCSS

$custom: #3187b0;
$custom-light: #7aaac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3187b0",
  "rgb": {
    "r": 49,
    "g": 135,
    "b": 176
  },
  "hsl": {
    "h": 199.37,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59024,
    "c": 0.10191,
    "h": 233.1
  },
  "luminance": 0.21116
}

Semantic roles & 50–950 ramp

primary

#3187B0

secondary

#C59178

accent

#7948E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3187B0

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

Preview Lab → · Contrast checker → · Palette generator →