#3191B2#3191B2

#3191B2 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.6% C 0.100 H 225.1°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3191B2
RGB	rgb(49, 145, 178)
HSL	hsl(195, 57%, 45%)
HSV	hsv(195, 72%, 70%)
CMYK	cmyk(72.5%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(56.20, -16.71, -25.30)
CIE-LCH	lch(56.20, 30.32, 236.56°)
OKLab	oklab(61.55% -0.0705 -0.0708)
OKLCH	oklch(61.55% 0.1 225.1)
XYZ	xyz(19.4246, 24.1159, 45.7419)
Luminance	0.2412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3191B2 #B25231

analogous

#31B293 #3191B2 #3151B2

triadic

#3191B2 #B23191 #91B231

tetradic

#3191B2 #9331B2 #B25231 #51B231

square

#3191B2 #9331B2 #B25231 #51B231

split-complementary

#3191B2 #B23151 #B29331

monochromatic

#174352 #246A82 #3191B2 #51AFCF #81C5DC

Accessibility & contrast

On white

3.61

#3191B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#3191B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3191B2

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3191B2	#FFFFFF	#000000	##000000
##3191B2	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)

#7F8EB4

Deuteranopia (green-blind)

#6D81B2

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3191b2;
/* rgb */ color: rgb(49, 145, 178);
/* oklch */ color: oklch(61.6% 0.100 225.1);

Tailwind

colors: {
  custom: {
    50: '#7bb1c9',
    500: '#3191b2',
    950: '#000000',
  },
}

SCSS

$custom: #3191b2;
$custom-light: #7bb1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3191b2",
  "rgb": {
    "r": 49,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 195.349,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.61552,
    "c": 0.09995,
    "h": 225.1
  },
  "luminance": 0.24118
}

Semantic roles & 50–950 ramp

primary

#3191B2

secondary

#C58D79

accent

#6F48E0

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3191B2

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

Preview Lab → · Contrast checker → · Palette generator →