#3683BD#3683BD

#3683BD is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.9% C 0.116 H 244.6°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3683BD
RGB	rgb(54, 131, 189)
HSL	hsl(206, 56%, 48%)
HSV	hsv(206, 71%, 74%)
CMYK	cmyk(71.4%, 30.7%, 0%, 25.9%)
CIE-LAB	lab(52.61, -4.30, -37.17)
CIE-LCH	lch(52.61, 37.42, 263.41°)
OKLab	oklab(58.89% -0.05 -0.1052)
OKLCH	oklch(58.89% 0.116 244.6)
XYZ	xyz(18.8194, 20.6889, 51.1358)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3683BD #BD7036

analogous

#36BDB4 #3683BD #363FBD

triadic

#3683BD #BD3683 #83BD36

tetradic

#3683BD #B436BD #BD7036 #3FBD36

square

#3683BD #B436BD #BD7036 #3FBD36

split-complementary

#3683BD #BD363F #BDB436

monochromatic

#1B415E #28628D #3683BD #5FA0D1 #8FBCDF

Accessibility & contrast

On white

4.09

#3683BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#3683BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3683BD

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3683BD	#FFFFFF	#000000	##000000
##3683BD	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6985C0

Deuteranopia (green-blind)

#5678BC

Tritanopia (blue-blind)

#009198

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3683bd;
/* rgb */ color: rgb(54, 131, 189);
/* oklch */ color: oklch(58.9% 0.116 244.6);

Tailwind

colors: {
  custom: {
    50: '#7ea6d1',
    500: '#3683bd',
    950: '#000000',
  },
}

SCSS

$custom: #3683bd;
$custom-light: #7ea6d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3683bd",
  "rgb": {
    "r": 54,
    "g": 131,
    "b": 189
  },
  "hsl": {
    "h": 205.778,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5889,
    "c": 0.11646,
    "h": 244.6
  },
  "luminance": 0.20691
}

Semantic roles & 50–950 ramp

primary

#3683BD

secondary

#C9A385

accent

#8949DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3683BD

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

Preview Lab → · Contrast checker → · Palette generator →