#3689AB#3689AB

#3689AB is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.4% C 0.094 H 228.7°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3689AB
RGB	rgb(54, 137, 171)
HSL	hsl(197, 52%, 44%)
HSV	hsv(197, 68%, 67%)
CMYK	cmyk(68.4%, 19.9%, 0%, 32.9%)
CIE-LAB	lab(53.61, -13.92, -25.28)
CIE-LCH	lch(53.61, 28.86, 241.16°)
OKLab	oklab(59.43% -0.0622 -0.0708)
OKLCH	oklch(59.43% 0.094 228.7)
XYZ	xyz(17.8147, 21.6139, 41.7532)
Luminance	0.2162 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3689AB #AB5836

analogous

#36AB93 #3689AB #364FAB

triadic

#3689AB #AB3689 #89AB36

tetradic

#3689AB #9336AB #AB5836 #4FAB36

square

#3689AB #9336AB #AB5836 #4FAB36

split-complementary

#3689AB #AB364F #AB9336

monochromatic

#193E4E #27647C #3689AB #55A7C9 #83BFD8

Accessibility & contrast

On white

3.94

#3689AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#3689AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689AB

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3689AB	#FFFFFF	#000000	##000000
##3689AB	1.00	3.94	5.32	5.32
#FFFFFF	3.94	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)

#7787AD

Deuteranopia (green-blind)

#677BAB

Tritanopia (blue-blind)

#009394

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3689ab;
/* rgb */ color: rgb(54, 137, 171);
/* oklch */ color: oklch(59.4% 0.094 228.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3689ab",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 171
  },
  "hsl": {
    "h": 197.436,
    "s": 52,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59427,
    "c": 0.09426,
    "h": 228.7
  },
  "luminance": 0.21616
}

Semantic roles & 50–950 ramp

primary

#3689AB

secondary

#C2907B

accent

#764CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3689AB

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

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