#3689C1#3689C1

#3689C1 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.116 H 242.0°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#3689C1
RGB	rgb(54, 137, 193)
HSL	hsl(204, 56%, 48%)
HSV	hsv(204, 72%, 76%)
CMYK	cmyk(72%, 29%, 0%, 24.3%)
CIE-LAB	lab(54.58, -6.38, -36.36)
CIE-LCH	lch(54.58, 36.92, 260.05°)
OKLab	oklab(60.51% -0.0546 -0.1028)
OKLCH	oklch(60.51% 0.116 242)
XYZ	xyz(20.0889, 22.5236, 53.7305)
Luminance	0.2253 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3689C1 #C16E36

analogous

#36C1B3 #3689C1 #3643C1

triadic

#3689C1 #C13689 #89C136

tetradic

#3689C1 #B336C1 #C16E36 #43C136

square

#3689C1 #B336C1 #C16E36 #43C136

split-complementary

#3689C1 #C13643 #C1B336

monochromatic

#1B4561 #296791 #3689C1 #61A5D3 #91C0E0

Accessibility & contrast

On white

3.81

#3689C1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#3689C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689C1

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3689C1	#FFFFFF	#000000	##000000
##3689C1	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F8AC3

Deuteranopia (green-blind)

#5C7DC0

Tritanopia (blue-blind)

#00979D

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3689c1;
/* rgb */ color: rgb(54, 137, 193);
/* oklch */ color: oklch(60.5% 0.116 242.0);

Tailwind

colors: {
  custom: {
    50: '#7eabd4',
    500: '#3689c1',
    950: '#000000',
  },
}

SCSS

$custom: #3689c1;
$custom-light: #7eabd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3689c1",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 193
  },
  "hsl": {
    "h": 204.173,
    "s": 56.275,
    "l": 48.431
  },
  "oklch": {
    "l": 0.6051,
    "c": 0.11639,
    "h": 242
  },
  "luminance": 0.22526
}

Semantic roles & 50–950 ramp

primary

#3689C1

secondary

#CBA388

accent

#8548E0

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3689C1

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

Preview Lab → · Contrast checker → · Palette generator →