#3689BE#3689BE

#3689BE is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.4% C 0.113 H 240.5°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3689BE
RGB	rgb(54, 137, 190)
HSL	hsl(203, 56%, 48%)
HSV	hsv(203, 72%, 75%)
CMYK	cmyk(71.6%, 27.9%, 0%, 25.5%)
CIE-LAB	lab(54.44, -7.43, -34.87)
CIE-LCH	lch(54.44, 35.65, 257.97°)
OKLab	oklab(60.35% -0.0556 -0.0984)
OKLCH	oklch(60.35% 0.113 240.5)
XYZ	xyz(19.7576, 22.3911, 51.9858)
Luminance	0.2239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3689BE #BE6B36

analogous

#36BEAF #3689BE #3645BE

triadic

#3689BE #BE3689 #89BE36

tetradic

#3689BE #AF36BE #BE6B36 #45BE36

square

#3689BE #AF36BE #BE6B36 #45BE36

split-complementary

#3689BE #BE3645 #BEAF36

monochromatic

#1B445F #28678E #3689BE #60A5D2 #8FC0DF

Accessibility & contrast

On white

3.83

#3689BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3689BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689BE

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3689BE	#FFFFFF	#000000	##000000
##3689BE	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7089C0

Deuteranopia (green-blind)

#5E7CBD

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3689be;
/* rgb */ color: rgb(54, 137, 190);
/* oklch */ color: oklch(60.4% 0.113 240.5);

Tailwind

colors: {
  custom: {
    50: '#7eabd2',
    500: '#3689be',
    950: '#000000',
  },
}

SCSS

$custom: #3689be;
$custom-light: #7eabd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3689be",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 190
  },
  "hsl": {
    "h": 203.382,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.60354,
    "c": 0.11306,
    "h": 240.5
  },
  "luminance": 0.22393
}

Semantic roles & 50–950 ramp

primary

#3689BE

secondary

#CAA086

accent

#8349DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3689BE

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

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