#3191B9#3191B9

#3191B9 is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.9% C 0.106 H 230.0°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3191B9
RGB	rgb(49, 145, 185)
HSL	hsl(198, 58%, 46%)
HSV	hsv(198, 74%, 73%)
CMYK	cmyk(73.5%, 21.6%, 0%, 27.5%)
CIE-LAB	lab(56.49, -14.34, -28.84)
CIE-LCH	lch(56.49, 32.21, 243.56°)
OKLab	oklab(61.88% -0.0679 -0.081)
OKLCH	oklch(61.88% 0.106 230)
XYZ	xyz(20.1454, 24.4042, 49.5383)
Luminance	0.2441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3191B9 #B95931

analogous

#31B99D #3191B9 #314DB9

triadic

#3191B9 #B93191 #91B931

tetradic

#3191B9 #9D31B9 #B95931 #4DB931

square

#3191B9 #9D31B9 #B95931 #4DB931

split-complementary

#3191B9 #B9314D #B99D31

monochromatic

#174558 #246B89 #3191B9 #55ADD2 #86C5DF

Accessibility & contrast

On white

3.57

#3191B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#3191B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3191B9

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3191B9	#FFFFFF	#000000	##000000
##3191B9	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8FBB

Deuteranopia (green-blind)

#6A82B8

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3191b9;
/* rgb */ color: rgb(49, 145, 185);
/* oklch */ color: oklch(61.9% 0.106 230.0);

Tailwind

colors: {
  custom: {
    50: '#7cb1ce',
    500: '#3191b9',
    950: '#000000',
  },
}

SCSS

$custom: #3191b9;
$custom-light: #7cb1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3191b9",
  "rgb": {
    "r": 49,
    "g": 145,
    "b": 185
  },
  "hsl": {
    "h": 197.647,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.61875,
    "c": 0.10569,
    "h": 230
  },
  "luminance": 0.24407
}

Semantic roles & 50–950 ramp

primary

#3191B9

secondary

#C8937D

accent

#7446E1

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3191B9

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

Preview Lab → · Contrast checker → · Palette generator →