#3689B7#3689B7

#3689B7 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.0% C 0.106 H 236.7°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3689B7
RGB	rgb(54, 137, 183)
HSL	hsl(201, 54%, 46%)
HSV	hsv(201, 70%, 72%)
CMYK	cmyk(70.5%, 25.1%, 0%, 28.2%)
CIE-LAB	lab(54.12, -9.85, -31.37)
CIE-LCH	lch(54.12, 32.88, 252.56°)
OKLab	oklab(60% -0.0579 -0.0883)
OKLCH	oklch(60% 0.106 236.7)
XYZ	xyz(19.0109, 22.0924, 48.0529)
Luminance	0.2209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3689B7 #B76436

analogous

#36B7A5 #3689B7 #3649B7

triadic

#3689B7 #B73689 #89B736

tetradic

#3689B7 #A536B7 #B76436 #49B736

square

#3689B7 #A536B7 #B76436 #49B736

split-complementary

#3689B7 #B73649 #B7A536

monochromatic

#1A4258 #286688 #3689B7 #5BA6CF #8BBFDD

Accessibility & contrast

On white

3.88

#3689B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#3689B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689B7

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3689B7	#FFFFFF	#000000	##000000
##3689B7	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7388B9

Deuteranopia (green-blind)

#627CB6

Tritanopia (blue-blind)

#009599

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3689b7;
/* rgb */ color: rgb(54, 137, 183);
/* oklch */ color: oklch(60.0% 0.106 236.7);

Tailwind

colors: {
  custom: {
    50: '#7dabcc',
    500: '#3689b7',
    950: '#000000',
  },
}

SCSS

$custom: #3689b7;
$custom-light: #7dabcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3689b7",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 183
  },
  "hsl": {
    "h": 201.395,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.60001,
    "c": 0.10561,
    "h": 236.7
  },
  "luminance": 0.22094
}

Semantic roles & 50–950 ramp

primary

#3689B7

secondary

#C79A82

accent

#7F4ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3689B7

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

Preview Lab → · Contrast checker → · Palette generator →