#3684AB#3684AB

#3684AB is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.2% C 0.096 H 233.7°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3684AB
RGB	rgb(54, 132, 171)
HSL	hsl(200, 52%, 44%)
HSV	hsv(200, 68%, 67%)
CMYK	cmyk(68.4%, 22.8%, 0%, 32.9%)
CIE-LAB	lab(52.09, -11.12, -27.64)
CIE-LCH	lch(52.09, 29.79, 248.08°)
OKLab	oklab(58.21% -0.057 -0.0776)
OKLCH	oklch(58.21% 0.096 233.7)
XYZ	xyz(17.1204, 20.2252, 41.5218)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684AB #AB5D36

analogous

#36AB98 #3684AB #364AAB

triadic

#3684AB #AB3684 #84AB36

tetradic

#3684AB #9836AB #AB5D36 #4AAB36

square

#3684AB #9836AB #AB5D36 #4AAB36

split-complementary

#3684AB #AB364A #AB9836

monochromatic

#193C4E #27607C #3684AB #55A2C9 #83BCD8

Accessibility & contrast

On white

4.16

#3684AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#3684AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684AB

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684AB	#FFFFFF	#000000	##000000
##3684AB	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7183AD

Deuteranopia (green-blind)

#6177AA

Tritanopia (blue-blind)

#008E91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3684ab;
/* rgb */ color: rgb(54, 132, 171);
/* oklch */ color: oklch(58.2% 0.096 233.7);

Tailwind

colors: {
  custom: {
    50: '#7ba7c4',
    500: '#3684ab',
    950: '#000000',
  },
}

SCSS

$custom: #3684ab;
$custom-light: #7ba7c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3684ab",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 171
  },
  "hsl": {
    "h": 200,
    "s": 52,
    "l": 44.118
  },
  "oklch": {
    "l": 0.58211,
    "c": 0.09627,
    "h": 233.7
  },
  "luminance": 0.20227
}

Semantic roles & 50–950 ramp

primary

#3684AB

secondary

#C2937B

accent

#7C4CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3684AB

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

Preview Lab → · Contrast checker → · Palette generator →