#3690BC#3690BC

#3690BC is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.9% C 0.107 H 233.7°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3690BC
RGB	rgb(54, 144, 188)
HSL	hsl(200, 55%, 47%)
HSV	hsv(200, 71%, 74%)
CMYK	cmyk(71.3%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(56.45, -12.08, -30.60)
CIE-LCH	lch(56.45, 32.90, 248.46°)
OKLab	oklab(61.92% -0.0632 -0.086)
OKLCH	oklch(61.92% 0.107 233.7)
XYZ	xyz(20.5681, 24.3593, 51.1850)
Luminance	0.2436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3690BC #BC6236

analogous

#36BCA5 #3690BC #364DBC

triadic

#3690BC #BC3690 #90BC36

tetradic

#3690BC #A536BC #BC6236 #4DBC36

square

#3690BC #A536BC #BC6236 #4DBC36

split-complementary

#3690BC #BC364D #BCA536

monochromatic

#1B475D #286C8C #3690BC #5EABD1 #8EC4DF

Accessibility & contrast

On white

3.58

#3690BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#3690BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3690BC

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3690BC	#FFFFFF	#000000	##000000
##3690BC	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8FBE

Deuteranopia (green-blind)

#6882BB

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3690bc;
/* rgb */ color: rgb(54, 144, 188);
/* oklch */ color: oklch(61.9% 0.107 233.7);

Tailwind

colors: {
  custom: {
    50: '#7eb0d0',
    500: '#3690bc',
    950: '#000000',
  },
}

SCSS

$custom: #3690bc;
$custom-light: #7eb0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3690bc",
  "rgb": {
    "r": 54,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 199.701,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.61919,
    "c": 0.10679,
    "h": 233.7
  },
  "luminance": 0.24362
}

Semantic roles & 50–950 ramp

primary

#3690BC

secondary

#C99B85

accent

#7A49DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3690BC

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

Preview Lab → · Contrast checker → · Palette generator →