#3689AA#3689AA

#3689AA is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.4% C 0.093 H 227.9°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3689AA
RGB	rgb(54, 137, 170)
HSL	hsl(197, 52%, 44%)
HSV	hsv(197, 68%, 67%)
CMYK	cmyk(68.2%, 19.4%, 0%, 33.3%)
CIE-LAB	lab(53.57, -14.25, -24.76)
CIE-LCH	lch(53.57, 28.57, 240.08°)
OKLab	oklab(59.38% -0.0626 -0.0693)
OKLCH	oklch(59.38% 0.093 227.9)
XYZ	xyz(17.7198, 21.5759, 41.2531)
Luminance	0.2158 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3689AA #AA5736

analogous

#36AA91 #3689AA #364FAA

triadic

#3689AA #AA3689 #89AA36

tetradic

#3689AA #9136AA #AA5736 #4FAA36

square

#3689AA #9136AA #AA5736 #4FAA36

split-complementary

#3689AA #AA364F #AA9136

monochromatic

#183E4D #27647C #3689AA #54A8C9 #83BFD8

Accessibility & contrast

On white

3.95

#3689AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#3689AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689AA

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3689AA	#FFFFFF	#000000	##000000
##3689AA	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7887AC

Deuteranopia (green-blind)

#687BAA

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3689aa;
/* rgb */ color: rgb(54, 137, 170);
/* oklch */ color: oklch(59.4% 0.093 227.9);

Tailwind

colors: {
  custom: {
    50: '#7babc3',
    500: '#3689aa',
    950: '#000000',
  },
}

SCSS

$custom: #3689aa;
$custom-light: #7babc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3689aa",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 170
  },
  "hsl": {
    "h": 197.069,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5938,
    "c": 0.09342,
    "h": 227.9
  },
  "luminance": 0.21578
}

Semantic roles & 50–950 ramp

primary

#3689AA

secondary

#C18F7B

accent

#754DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3689AA

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

Preview Lab → · Contrast checker → · Palette generator →