#3191B8#3191B8

#3191B8 is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.8% C 0.105 H 229.4°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3191B8
RGB	rgb(49, 145, 184)
HSL	hsl(197, 58%, 46%)
HSV	hsv(197, 73%, 72%)
CMYK	cmyk(73.4%, 21.2%, 0%, 27.8%)
CIE-LAB	lab(56.45, -14.68, -28.34)
CIE-LCH	lch(56.45, 31.92, 242.61°)
OKLab	oklab(61.83% -0.0683 -0.0795)
OKLCH	oklch(61.83% 0.105 229.4)
XYZ	xyz(20.0403, 24.3621, 48.9843)
Luminance	0.2436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3191B8 #B85831

analogous

#31B89B #3191B8 #314EB8

triadic

#3191B8 #B83191 #91B831

tetradic

#3191B8 #9B31B8 #B85831 #4EB831

square

#3191B8 #9B31B8 #B85831 #4EB831

split-complementary

#3191B8 #B8314E #B89B31

monochromatic

#174557 #246B88 #3191B8 #55ADD2 #85C5DE

Accessibility & contrast

On white

3.58

#3191B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#3191B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3191B8

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3191B8	#FFFFFF	#000000	##000000
##3191B8	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8FBA

Deuteranopia (green-blind)

#6B82B7

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3191b8;
/* rgb */ color: rgb(49, 145, 184);
/* oklch */ color: oklch(61.8% 0.105 229.4);

Tailwind

colors: {
  custom: {
    50: '#7cb1cd',
    500: '#3191b8',
    950: '#000000',
  },
}

SCSS

$custom: #3191b8;
$custom-light: #7cb1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3191b8",
  "rgb": {
    "r": 49,
    "g": 145,
    "b": 184
  },
  "hsl": {
    "h": 197.333,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.61828,
    "c": 0.10482,
    "h": 229.4
  },
  "luminance": 0.24364
}

Semantic roles & 50–950 ramp

primary

#3191B8

secondary

#C8937D

accent

#7347E1

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3191B8

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

Preview Lab → · Contrast checker → · Palette generator →