#3689B9#3689B9

#3689B9 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.1% C 0.108 H 237.9°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3689B9
RGB	rgb(54, 137, 185)
HSL	hsl(202, 55%, 47%)
HSV	hsv(202, 71%, 73%)
CMYK	cmyk(70.8%, 25.9%, 0%, 27.5%)
CIE-LAB	lab(54.21, -9.16, -32.37)
CIE-LCH	lch(54.21, 33.64, 254.19°)
OKLab	oklab(60.1% -0.0572 -0.0912)
OKLCH	oklch(60.1% 0.108 237.9)
XYZ	xyz(19.2205, 22.1762, 49.1570)
Luminance	0.2218 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3689B9 #B96636

analogous

#36B9A8 #3689B9 #3647B9

triadic

#3689B9 #B93689 #89B936

tetradic

#3689B9 #A836B9 #B96636 #47B936

square

#3689B9 #A836B9 #B96636 #47B936

split-complementary

#3689B9 #B93647 #B9A836

monochromatic

#1A435A #28668A #3689B9 #5DA5D0 #8CC0DD

Accessibility & contrast

On white

3.86

#3689B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#3689B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689B9

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3689B9	#FFFFFF	#000000	##000000
##3689B9	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7289BB

Deuteranopia (green-blind)

#607CB8

Tritanopia (blue-blind)

#009599

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3689b9;
/* rgb */ color: rgb(54, 137, 185);
/* oklch */ color: oklch(60.1% 0.108 237.9);

Tailwind

colors: {
  custom: {
    50: '#7dabce',
    500: '#3689b9',
    950: '#000000',
  },
}

SCSS

$custom: #3689b9;
$custom-light: #7dabce;
$custom-dark: #000000;

JSON

{
  "hex": "#3689b9",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 185
  },
  "hsl": {
    "h": 201.985,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.60101,
    "c": 0.10768,
    "h": 237.9
  },
  "luminance": 0.22178
}

Semantic roles & 50–950 ramp

primary

#3689B9

secondary

#C89C83

accent

#804ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3689B9

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

Preview Lab → · Contrast checker → · Palette generator →