#3391AB#3391AB

#3391AB is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.094 H 219.9°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3391AB
RGB	rgb(51, 145, 171)
HSL	hsl(193, 54%, 44%)
HSV	hsv(193, 70%, 67%)
CMYK	cmyk(70.2%, 15.2%, 0%, 32.9%)
CIE-LAB	lab(55.98, -18.74, -21.64)
CIE-LCH	lch(55.98, 28.63, 229.12°)
OKLab	oklab(61.3% -0.0722 -0.0604)
OKLCH	oklch(61.3% 0.094 219.9)
XYZ	xyz(18.8383, 23.8927, 42.1391)
Luminance	0.2389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3391AB #AB4D33

analogous

#33AB89 #3391AB #3355AB

triadic

#3391AB #AB3391 #91AB33

tetradic

#3391AB #8933AB #AB4D33 #55AB33

square

#3391AB #8933AB #AB4D33 #55AB33

split-complementary

#3391AB #AB3355 #AB8933

monochromatic

#17414D #25697C #3391AB #50B0CB #7FC6D9

Accessibility & contrast

On white

3.63

#3391AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#3391AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3391AB

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3391AB	#FFFFFF	#000000	##000000
##3391AB	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAC

Deuteranopia (green-blind)

#7081AB

Tritanopia (blue-blind)

#009A99

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3391ab;
/* rgb */ color: rgb(51, 145, 171);
/* oklch */ color: oklch(61.3% 0.094 219.9);

Tailwind

colors: {
  custom: {
    50: '#7ab1c4',
    500: '#3391ab',
    950: '#000000',
  },
}

SCSS

$custom: #3391ab;
$custom-light: #7ab1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3391ab",
  "rgb": {
    "r": 51,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 193,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.61296,
    "c": 0.09416,
    "h": 219.9
  },
  "luminance": 0.23895
}

Semantic roles & 50–950 ramp

primary

#3391AB

secondary

#C28878

accent

#6A4ADD

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3391AB

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

Preview Lab → · Contrast checker → · Palette generator →