#3688BE#3688BE

#3688BE is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.1% C 0.114 H 241.3°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3688BE
RGB	rgb(54, 136, 190)
HSL	hsl(204, 56%, 48%)
HSV	hsv(204, 72%, 75%)
CMYK	cmyk(71.6%, 28.4%, 0%, 25.5%)
CIE-LAB	lab(54.14, -6.85, -35.34)
CIE-LCH	lch(54.14, 35.99, 259.02°)
OKLab	oklab(60.12% -0.0546 -0.0998)
OKLCH	oklch(60.12% 0.114 241.3)
XYZ	xyz(19.6161, 22.1081, 51.9387)
Luminance	0.2211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3688BE #BE6C36

analogous

#36BEB0 #3688BE #3644BE

triadic

#3688BE #BE3688 #88BE36

tetradic

#3688BE #B036BE #BE6C36 #44BE36

square

#3688BE #B036BE #BE6C36 #44BE36

split-complementary

#3688BE #BE3644 #BEB036

monochromatic

#1B445F #28668E #3688BE #60A4D2 #8FBFDF

Accessibility & contrast

On white

3.87

#3688BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#3688BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3688BE

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3688BE	#FFFFFF	#000000	##000000
##3688BE	1.00	3.87	5.42	5.42
#FFFFFF	3.87	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)

#6F89C0

Deuteranopia (green-blind)

#5C7CBD

Tritanopia (blue-blind)

#00959B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3688be;
/* rgb */ color: rgb(54, 136, 190);
/* oklch */ color: oklch(60.1% 0.114 241.3);

Tailwind

colors: {
  custom: {
    50: '#7eaad2',
    500: '#3688be',
    950: '#000000',
  },
}

SCSS

$custom: #3688be;
$custom-light: #7eaad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3688be",
  "rgb": {
    "r": 54,
    "g": 136,
    "b": 190
  },
  "hsl": {
    "h": 203.824,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.60118,
    "c": 0.11376,
    "h": 241.3
  },
  "luminance": 0.2211
}

Semantic roles & 50–950 ramp

primary

#3688BE

secondary

#CAA186

accent

#8449DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3688BE

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

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