#3191B7#3191B7

#3191B7 is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.8% C 0.104 H 228.7°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3191B7
RGB	rgb(49, 145, 183)
HSL	hsl(197, 58%, 45%)
HSV	hsv(197, 73%, 72%)
CMYK	cmyk(73.2%, 20.8%, 0%, 28.2%)
CIE-LAB	lab(56.41, -15.02, -27.83)
CIE-LCH	lch(56.41, 31.63, 241.64°)
OKLab	oklab(61.78% -0.0686 -0.0781)
OKLCH	oklch(61.78% 0.104 228.7)
XYZ	xyz(19.9358, 24.3203, 48.4342)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3191B7 #B75731

analogous

#31B79A #3191B7 #314EB7

triadic

#3191B7 #B73191 #91B731

tetradic

#3191B7 #9A31B7 #B75731 #4EB731

square

#3191B7 #9A31B7 #B75731 #4EB731

split-complementary

#3191B7 #B7314E #B79A31

monochromatic

#174456 #246B87 #3191B7 #54AED1 #84C5DE

Accessibility & contrast

On white

3.58

#3191B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#3191B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3191B7

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3191B7	#FFFFFF	#000000	##000000
##3191B7	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8FB9

Deuteranopia (green-blind)

#6B82B6

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3191b7;
/* rgb */ color: rgb(49, 145, 183);
/* oklch */ color: oklch(61.8% 0.104 228.7);

Tailwind

colors: {
  custom: {
    50: '#7bb1cc',
    500: '#3191b7',
    950: '#000000',
  },
}

SCSS

$custom: #3191b7;
$custom-light: #7bb1cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3191b7",
  "rgb": {
    "r": 49,
    "g": 145,
    "b": 183
  },
  "hsl": {
    "h": 197.015,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.61782,
    "c": 0.10397,
    "h": 228.7
  },
  "luminance": 0.24323
}

Semantic roles & 50–950 ramp

primary

#3191B7

secondary

#C8927C

accent

#7347E1

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3191B7

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

Preview Lab → · Contrast checker → · Palette generator →