#3689C5#3689C5

#3689C5 is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 60.7% C 0.121 H 243.8°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#3689C5
RGB	rgb(54, 137, 197)
HSL	hsl(205, 57%, 49%)
HSV	hsv(205, 73%, 77%)
CMYK	cmyk(72.6%, 30.5%, 0%, 22.7%)
CIE-LAB	lab(54.77, -4.98, -38.34)
CIE-LCH	lch(54.77, 38.66, 262.61°)
OKLab	oklab(60.72% -0.0534 -0.1085)
OKLCH	oklch(60.72% 0.121 243.8)
XYZ	xyz(20.5411, 22.7045, 56.1123)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3689C5 #C57236

analogous

#36C5BA #3689C5 #3642C5

triadic

#3689C5 #C53689 #89C536

tetradic

#3689C5 #BA36C5 #C57236 #42C536

square

#3689C5 #BA36C5 #C57236 #42C536

split-complementary

#3689C5 #C53642 #C5BA36

monochromatic

#1C4665 #296895 #3689C5 #64A5D4 #94C1E2

Accessibility & contrast

On white

3.79

#3689C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#3689C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689C5

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3689C5	#FFFFFF	#000000	##000000
##3689C5	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8BC8

Deuteranopia (green-blind)

#5A7DC4

Tritanopia (blue-blind)

#00989E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3689c5;
/* rgb */ color: rgb(54, 137, 197);
/* oklch */ color: oklch(60.7% 0.121 243.8);

Tailwind

colors: {
  custom: {
    50: '#7fabd7',
    500: '#3689c5',
    950: '#000000',
  },
}

SCSS

$custom: #3689c5;
$custom-light: #7fabd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3689c5",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 197
  },
  "hsl": {
    "h": 205.175,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.60721,
    "c": 0.12093,
    "h": 243.8
  },
  "luminance": 0.22707
}

Semantic roles & 50–950 ramp

primary

#3689C5

secondary

#CDA68A

accent

#8848E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3689C5

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

Preview Lab → · Contrast checker → · Palette generator →