#3391B6#3391B6

#3391B6 is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.8% C 0.102 H 228.3°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3391B6
RGB	rgb(51, 145, 182)
HSL	hsl(197, 56%, 46%)
HSV	hsv(197, 72%, 71%)
CMYK	cmyk(72%, 20.3%, 0%, 28.6%)
CIE-LAB	lab(56.42, -15.09, -27.25)
CIE-LCH	lch(56.42, 31.14, 241.02°)
OKLab	oklab(61.79% -0.068 -0.0764)
OKLCH	oklch(61.79% 0.102 228.3)
XYZ	xyz(19.9307, 24.3297, 47.8926)
Luminance	0.2433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3391B6 #B65833

analogous

#33B699 #3391B6 #334FB6

triadic

#3391B6 #B63391 #91B633

tetradic

#3391B6 #9933B6 #B65833 #4FB633

square

#3391B6 #9933B6 #B65833 #4FB633

split-complementary

#3391B6 #B6334F #B69933

monochromatic

#184556 #266B86 #3391B6 #56ADD0 #86C5DD

Accessibility & contrast

On white

3.58

#3391B6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#3391B6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3391B6

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3391B6	#FFFFFF	#000000	##000000
##3391B6	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)

#7E8FB8

Deuteranopia (green-blind)

#6C82B6

Tritanopia (blue-blind)

#009B9D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3391b6;
/* rgb */ color: rgb(51, 145, 182);
/* oklch */ color: oklch(61.8% 0.102 228.3);

Tailwind

colors: {
  custom: {
    50: '#7cb1cc',
    500: '#3391b6',
    950: '#000000',
  },
}

SCSS

$custom: #3391b6;
$custom-light: #7cb1cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3391b6",
  "rgb": {
    "r": 51,
    "g": 145,
    "b": 182
  },
  "hsl": {
    "h": 196.947,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.6179,
    "c": 0.10228,
    "h": 228.3
  },
  "luminance": 0.24332
}

Semantic roles & 50–950 ramp

primary

#3391B6

secondary

#C7937E

accent

#7348E0

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3391B6

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

Preview Lab → · Contrast checker → · Palette generator →