#3191B4#3191B4

#3191B4 is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.6% C 0.102 H 226.6°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#3191B4
RGB	rgb(49, 145, 180)
HSL	hsl(196, 57%, 45%)
HSV	hsv(196, 73%, 71%)
CMYK	cmyk(72.8%, 19.4%, 0%, 29.4%)
CIE-LAB	lab(56.28, -16.04, -26.32)
CIE-LCH	lch(56.28, 30.82, 238.64°)
OKLab	oklab(61.64% -0.0698 -0.0737)
OKLCH	oklch(61.64% 0.102 226.6)
XYZ	xyz(19.6269, 24.1968, 46.8072)
Luminance	0.2420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3191B4 #B45431

analogous

#31B496 #3191B4 #314FB4

triadic

#3191B4 #B43191 #91B431

tetradic

#3191B4 #9631B4 #B45431 #4FB431

square

#3191B4 #9631B4 #B45431 #4FB431

split-complementary

#3191B4 #B4314F #B49631

monochromatic

#174354 #246A84 #3191B4 #52AED0 #82C5DD

Accessibility & contrast

On white

3.60

#3191B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#3191B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3191B4

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3191B4	#FFFFFF	#000000	##000000
##3191B4	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB6

Deuteranopia (green-blind)

#6C81B4

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3191b4;
/* rgb */ color: rgb(49, 145, 180);
/* oklch */ color: oklch(61.6% 0.102 226.6);

Tailwind

colors: {
  custom: {
    50: '#7bb1ca',
    500: '#3191b4',
    950: '#000000',
  },
}

SCSS

$custom: #3191b4;
$custom-light: #7bb1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3191b4",
  "rgb": {
    "r": 49,
    "g": 145,
    "b": 180
  },
  "hsl": {
    "h": 196.031,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.61643,
    "c": 0.10151,
    "h": 226.6
  },
  "luminance": 0.24199
}

Semantic roles & 50–950 ramp

primary

#3191B4

secondary

#C68F7B

accent

#7047E0

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3191B4

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

Preview Lab → · Contrast checker → · Palette generator →