#3191B1#3191B1

#3191B1 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.5% C 0.099 H 224.4°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3191B1
RGB	rgb(49, 145, 177)
HSL	hsl(195, 57%, 44%)
HSV	hsv(195, 72%, 69%)
CMYK	cmyk(72.3%, 18.1%, 0%, 30.6%)
CIE-LAB	lab(56.16, -17.04, -24.79)
CIE-LCH	lch(56.16, 30.08, 235.50°)
OKLab	oklab(61.51% -0.0709 -0.0694)
OKLCH	oklch(61.51% 0.099 224.4)
XYZ	xyz(19.3246, 24.0759, 45.2151)
Luminance	0.2408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3191B1 #B15131

analogous

#31B191 #3191B1 #3151B1

triadic

#3191B1 #B13191 #91B131

tetradic

#3191B1 #9131B1 #B15131 #51B131

square

#3191B1 #9131B1 #B15131 #51B131

split-complementary

#3191B1 #B13151 #B19131

monochromatic

#164251 #246A81 #3191B1 #51AFCF #80C5DC

Accessibility & contrast

On white

3.61

#3191B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#3191B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3191B1

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3191B1	#FFFFFF	#000000	##000000
##3191B1	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8EB3

Deuteranopia (green-blind)

#6E81B1

Tritanopia (blue-blind)

#009B9B

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3191b1;
/* rgb */ color: rgb(49, 145, 177);
/* oklch */ color: oklch(61.5% 0.099 224.4);

Tailwind

colors: {
  custom: {
    50: '#7bb1c8',
    500: '#3191b1',
    950: '#000000',
  },
}

SCSS

$custom: #3191b1;
$custom-light: #7bb1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3191b1",
  "rgb": {
    "r": 49,
    "g": 145,
    "b": 177
  },
  "hsl": {
    "h": 195,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.61506,
    "c": 0.0992,
    "h": 224.4
  },
  "luminance": 0.24078
}

Semantic roles & 50–950 ramp

primary

#3191B1

secondary

#C58C79

accent

#6E48E0

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3191B1

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

Preview Lab → · Contrast checker → · Palette generator →