#3391BD#3391BD

#3391BD is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.1% C 0.108 H 232.9°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#3391BD
RGB	rgb(51, 145, 189)
HSL	hsl(199, 58%, 47%)
HSV	hsv(199, 73%, 74%)
CMYK	cmyk(73%, 23.3%, 0%, 25.9%)
CIE-LAB	lab(56.71, -12.71, -30.77)
CIE-LCH	lch(56.71, 33.29, 247.55°)
OKLab	oklab(62.12% -0.0655 -0.0865)
OKLCH	oklch(62.12% 0.109 232.9)
XYZ	xyz(20.6723, 24.6263, 51.7981)
Luminance	0.2463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3391BD #BD5F33

analogous

#33BDA4 #3391BD #334CBD

triadic

#3391BD #BD3391 #91BD33

tetradic

#3391BD #A433BD #BD5F33 #4CBD33

square

#3391BD #A433BD #BD5F33 #4CBD33

split-complementary

#3391BD #BD334C #BDA433

monochromatic

#19475D #266C8D #3391BD #5BACD3 #8BC5E0

Accessibility & contrast

On white

3.54

#3391BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#3391BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3391BD

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3391BD	#FFFFFF	#000000	##000000
##3391BD	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90BF

Deuteranopia (green-blind)

#6882BC

Tritanopia (blue-blind)

#009DA0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3391bd;
/* rgb */ color: rgb(51, 145, 189);
/* oklch */ color: oklch(62.1% 0.108 232.9);

Tailwind

colors: {
  custom: {
    50: '#7db1d1',
    500: '#3391bd',
    950: '#000000',
  },
}

SCSS

$custom: #3391bd;
$custom-light: #7db1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3391bd",
  "rgb": {
    "r": 51,
    "g": 145,
    "b": 189
  },
  "hsl": {
    "h": 199.13,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.6212,
    "c": 0.1085,
    "h": 232.9
  },
  "luminance": 0.24629
}

Semantic roles & 50–950 ramp

primary

#3391BD

secondary

#CA9982

accent

#7847E1

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3391BD

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

Preview Lab → · Contrast checker → · Palette generator →