#3191BC#3191BC

#3191BC is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.0% C 0.108 H 231.9°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3191BC
RGB	rgb(49, 145, 188)
HSL	hsl(199, 59%, 46%)
HSV	hsv(199, 74%, 74%)
CMYK	cmyk(73.9%, 22.9%, 0%, 26.3%)
CIE-LAB	lab(56.62, -13.32, -30.35)
CIE-LCH	lch(56.62, 33.14, 246.31°)
OKLab	oklab(62.02% -0.0668 -0.0853)
OKLCH	oklch(62.02% 0.108 231.9)
XYZ	xyz(20.4655, 24.5322, 51.2238)
Luminance	0.2454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3191BC #BC5C31

analogous

#31BCA2 #3191BC #314CBC

triadic

#3191BC #BC3191 #91BC31

tetradic

#3191BC #A231BC #BC5C31 #4CBC31

square

#3191BC #A231BC #BC5C31 #4CBC31

split-complementary

#3191BC #BC314C #BCA231

monochromatic

#18465B #246C8B #3191BC #57ADD3 #88C5E0

Accessibility & contrast

On white

3.56

#3191BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#3191BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3191BC

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3191BC	#FFFFFF	#000000	##000000
##3191BC	1.00	3.56	5.91	5.91
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8FBE

Deuteranopia (green-blind)

#6982BB

Tritanopia (blue-blind)

#009D9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3191bc;
/* rgb */ color: rgb(49, 145, 188);
/* oklch */ color: oklch(62.0% 0.108 231.9);

Tailwind

colors: {
  custom: {
    50: '#7cb1d0',
    500: '#3191bc',
    950: '#000000',
  },
}

SCSS

$custom: #3191bc;
$custom-light: #7cb1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3191bc",
  "rgb": {
    "r": 49,
    "g": 145,
    "b": 188
  },
  "hsl": {
    "h": 198.561,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.62018,
    "c": 0.10837,
    "h": 231.9
  },
  "luminance": 0.24535
}

Semantic roles & 50–950 ramp

primary

#3191BC

secondary

#CA967F

accent

#7646E2

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3191BC

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

Preview Lab → · Contrast checker → · Palette generator →