#3491BB#3491BB

#3491BB is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.1% C 0.106 H 231.8°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3491BB
RGB	rgb(52, 145, 187)
HSL	hsl(199, 56%, 47%)
HSV	hsv(199, 72%, 73%)
CMYK	cmyk(72.2%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(56.65, -13.26, -29.72)
CIE-LCH	lch(56.65, 32.55, 245.96°)
OKLab	oklab(62.05% -0.0657 -0.0835)
OKLCH	oklch(62.05% 0.106 231.8)
XYZ	xyz(20.5076, 24.5664, 50.6650)
Luminance	0.2457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3491BB #BB5E34

analogous

#34BBA2 #3491BB #344DBB

triadic

#3491BB #BB3491 #91BB34

tetradic

#3491BB #A234BB #BB5E34 #4DBB34

square

#3491BB #A234BB #BB5E34 #4DBB34

split-complementary

#3491BB #BB344D #BBA234

monochromatic

#19475B #276C8B #3491BB #5BACD1 #8BC5DF

Accessibility & contrast

On white

3.55

#3491BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#3491BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3491BB

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3491BB	#FFFFFF	#000000	##000000
##3491BB	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBD

Deuteranopia (green-blind)

#6A82BA

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3491bb;
/* rgb */ color: rgb(52, 145, 187);
/* oklch */ color: oklch(62.1% 0.106 231.8);

Tailwind

colors: {
  custom: {
    50: '#7db1cf',
    500: '#3491bb',
    950: '#000000',
  },
}

SCSS

$custom: #3491bb;
$custom-light: #7db1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3491bb",
  "rgb": {
    "r": 52,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 198.667,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.62053,
    "c": 0.10623,
    "h": 231.8
  },
  "luminance": 0.24569
}

Semantic roles & 50–950 ramp

primary

#3491BB

secondary

#C99882

accent

#7748E0

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3491BB

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

Preview Lab → · Contrast checker → · Palette generator →