#3689C4#3689C4

#3689C4 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.7% C 0.120 H 243.4°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3689C4
RGB	rgb(54, 137, 196)
HSL	hsl(205, 57%, 49%)
HSV	hsv(205, 72%, 77%)
CMYK	cmyk(72.4%, 30.1%, 0%, 23.1%)
CIE-LAB	lab(54.72, -5.33, -37.84)
CIE-LCH	lch(54.72, 38.22, 261.99°)
OKLab	oklab(60.67% -0.0537 -0.1071)
OKLCH	oklch(60.67% 0.12 243.4)
XYZ	xyz(20.4269, 22.6588, 55.5109)
Luminance	0.2266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3689C4 #C47136

analogous

#36C4B8 #3689C4 #3642C4

triadic

#3689C4 #C43689 #89C436

tetradic

#3689C4 #B836C4 #C47136 #42C436

square

#3689C4 #B836C4 #C47136 #42C436

split-complementary

#3689C4 #C43642 #C4B836

monochromatic

#1C4664 #296794 #3689C4 #63A5D4 #93C1E1

Accessibility & contrast

On white

3.80

#3689C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#3689C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689C4

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3689C4	#FFFFFF	#000000	##000000
##3689C4	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8AC7

Deuteranopia (green-blind)

#5A7DC3

Tritanopia (blue-blind)

#00979E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3689c4;
/* rgb */ color: rgb(54, 137, 196);
/* oklch */ color: oklch(60.7% 0.120 243.4);

Tailwind

colors: {
  custom: {
    50: '#7fabd6',
    500: '#3689c4',
    950: '#000000',
  },
}

SCSS

$custom: #3689c4;
$custom-light: #7fabd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3689c4",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 196
  },
  "hsl": {
    "h": 204.93,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.60667,
    "c": 0.11979,
    "h": 243.4
  },
  "luminance": 0.22661
}

Semantic roles & 50–950 ramp

primary

#3689C4

secondary

#CCA589

accent

#8748E0

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3689C4

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

Preview Lab → · Contrast checker → · Palette generator →