#3683BA#3683BA

#3683BA is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.7% C 0.113 H 243.2°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3683BA
RGB	rgb(54, 131, 186)
HSL	hsl(205, 55%, 47%)
HSV	hsv(205, 71%, 73%)
CMYK	cmyk(71%, 29.6%, 0%, 27.1%)
CIE-LAB	lab(52.46, -5.35, -35.68)
CIE-LCH	lch(52.46, 36.08, 261.46°)
OKLab	oklab(58.73% -0.0509 -0.1008)
OKLCH	oklch(58.73% 0.113 243.2)
XYZ	xyz(18.4971, 20.5600, 49.4385)
Luminance	0.2056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3683BA #BA6D36

analogous

#36BAAF #3683BA #3641BA

triadic

#3683BA #BA3683 #83BA36

tetradic

#3683BA #AF36BA #BA6D36 #41BA36

square

#3683BA #AF36BA #BA6D36 #41BA36

split-complementary

#3683BA #BA3641 #BAAF36

monochromatic

#1A405B #28628B #3683BA #5DA0D0 #8DBCDE

Accessibility & contrast

On white

4.11

#3683BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#3683BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3683BA

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3683BA	#FFFFFF	#000000	##000000
##3683BA	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A84BC

Deuteranopia (green-blind)

#5878B9

Tritanopia (blue-blind)

#009096

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3683ba;
/* rgb */ color: rgb(54, 131, 186);
/* oklch */ color: oklch(58.7% 0.113 243.2);

Tailwind

colors: {
  custom: {
    50: '#7da6cf',
    500: '#3683ba',
    950: '#000000',
  },
}

SCSS

$custom: #3683ba;
$custom-light: #7da6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3683ba",
  "rgb": {
    "r": 54,
    "g": 131,
    "b": 186
  },
  "hsl": {
    "h": 205,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5873,
    "c": 0.11298,
    "h": 243.2
  },
  "luminance": 0.20562
}

Semantic roles & 50–950 ramp

primary

#3683BA

secondary

#C8A084

accent

#8749DE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3683BA

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

Preview Lab → · Contrast checker → · Palette generator →