#3690BD#3690BD

#3690BD is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 62.0% C 0.108 H 234.3°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3690BD
RGB	rgb(54, 144, 189)
HSL	hsl(200, 56%, 48%)
HSV	hsv(200, 71%, 74%)
CMYK	cmyk(71.4%, 23.8%, 0%, 25.9%)
CIE-LAB	lab(56.49, -11.74, -31.10)
CIE-LCH	lch(56.49, 33.25, 249.32°)
OKLab	oklab(61.97% -0.0629 -0.0875)
OKLCH	oklch(61.97% 0.108 234.3)
XYZ	xyz(20.6762, 24.4026, 51.7547)
Luminance	0.2440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3690BD #BD6336

analogous

#36BDA7 #3690BD #364CBD

triadic

#3690BD #BD3690 #90BD36

tetradic

#3690BD #A736BD #BD6336 #4CBD36

square

#3690BD #A736BD #BD6336 #4CBD36

split-complementary

#3690BD #BD364C #BDA736

monochromatic

#1B475E #286C8D #3690BD #5FABD1 #8FC4DF

Accessibility & contrast

On white

3.57

#3690BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#3690BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3690BD

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3690BD	#FFFFFF	#000000	##000000
##3690BD	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8FBF

Deuteranopia (green-blind)

#6882BC

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3690bd;
/* rgb */ color: rgb(54, 144, 189);
/* oklch */ color: oklch(62.0% 0.108 234.3);

Tailwind

colors: {
  custom: {
    50: '#7eb0d1',
    500: '#3690bd',
    950: '#000000',
  },
}

SCSS

$custom: #3690bd;
$custom-light: #7eb0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3690bd",
  "rgb": {
    "r": 54,
    "g": 144,
    "b": 189
  },
  "hsl": {
    "h": 200,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.61967,
    "c": 0.10775,
    "h": 234.3
  },
  "luminance": 0.24405
}

Semantic roles & 50–950 ramp

primary

#3690BD

secondary

#C99C85

accent

#7B49DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3690BD

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

Preview Lab → · Contrast checker → · Palette generator →