#3191AB#3191AB

#3191AB is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.2% C 0.095 H 219.6°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3191AB
RGB	rgb(49, 145, 171)
HSL	hsl(193, 55%, 43%)
HSV	hsv(193, 71%, 67%)
CMYK	cmyk(71.3%, 15.2%, 0%, 32.9%)
CIE-LAB	lab(55.93, -19.03, -21.73)
CIE-LCH	lch(55.93, 28.88, 228.79°)
OKLab	oklab(61.24% -0.0732 -0.0606)
OKLCH	oklch(61.24% 0.095 219.6)
XYZ	xyz(18.7397, 23.8419, 42.1345)
Luminance	0.2384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3191AB #AB4B31

analogous

#31AB88 #3191AB #3154AB

triadic

#3191AB #AB3191 #91AB31

tetradic

#3191AB #8831AB #AB4B31 #54AB31

square

#3191AB #8831AB #AB4B31 #54AB31

split-complementary

#3191AB #AB3154 #AB8831

monochromatic

#16404C #23697B #3191AB #4DB1CC #7DC6DA

Accessibility & contrast

On white

3.64

#3191AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#3191AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3191AB

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3191AB	#FFFFFF	#000000	##000000
##3191AB	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAC

Deuteranopia (green-blind)

#7081AB

Tritanopia (blue-blind)

#009A99

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3191ab;
/* rgb */ color: rgb(49, 145, 171);
/* oklch */ color: oklch(61.2% 0.095 219.6);

Tailwind

colors: {
  custom: {
    50: '#7ab1c4',
    500: '#3191ab',
    950: '#000000',
  },
}

SCSS

$custom: #3191ab;
$custom-light: #7ab1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3191ab",
  "rgb": {
    "r": 49,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 192.787,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.61241,
    "c": 0.0951,
    "h": 219.6
  },
  "luminance": 0.23844
}

Semantic roles & 50–950 ramp

primary

#3191AB

secondary

#C28675

accent

#6949DF

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3191AB

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

Preview Lab → · Contrast checker → · Palette generator →