#3689AC#3689AC

#3689AC is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.5% C 0.095 H 229.4°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3689AC
RGB	rgb(54, 137, 172)
HSL	hsl(198, 52%, 44%)
HSV	hsv(198, 69%, 67%)
CMYK	cmyk(68.6%, 20.3%, 0%, 32.5%)
CIE-LAB	lab(53.66, -13.59, -25.79)
CIE-LCH	lch(53.66, 29.15, 242.22°)
OKLab	oklab(59.47% -0.0619 -0.0722)
OKLCH	oklch(59.47% 0.095 229.4)
XYZ	xyz(17.9104, 21.6522, 42.2571)
Luminance	0.2165 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3689AC #AC5936

analogous

#36AC94 #3689AC #364EAC

triadic

#3689AC #AC3689 #89AC36

tetradic

#3689AC #9436AC #AC5936 #4EAC36

square

#3689AC #9436AC #AC5936 #4EAC36

split-complementary

#3689AC #AC364E #AC9436

monochromatic

#193F4F #27647D #3689AC #55A7CA #84BFD8

Accessibility & contrast

On white

3.94

#3689AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#3689AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689AC

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3689AC	#FFFFFF	#000000	##000000
##3689AC	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7787AE

Deuteranopia (green-blind)

#677BAC

Tritanopia (blue-blind)

#009395

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3689ac;
/* rgb */ color: rgb(54, 137, 172);
/* oklch */ color: oklch(59.5% 0.095 229.4);

Tailwind

colors: {
  custom: {
    50: '#7babc4',
    500: '#3689ac',
    950: '#000000',
  },
}

SCSS

$custom: #3689ac;
$custom-light: #7babc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3689ac",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 172
  },
  "hsl": {
    "h": 197.797,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.59473,
    "c": 0.09512,
    "h": 229.4
  },
  "luminance": 0.21654
}

Semantic roles & 50–950 ramp

primary

#3689AC

secondary

#C2917C

accent

#774CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3689AC

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

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