#3683A5#3683A5

#3683A5 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.7% C 0.091 H 230.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3683A5
RGB	rgb(54, 131, 165)
HSL	hsl(198, 51%, 43%)
HSV	hsv(198, 67%, 65%)
CMYK	cmyk(67.3%, 20.6%, 0%, 35.3%)
CIE-LAB	lab(51.53, -12.58, -25.03)
CIE-LCH	lch(51.53, 28.01, 243.32°)
OKLab	oklab(57.68% -0.0581 -0.0701)
OKLCH	oklch(57.68% 0.091 230.3)
XYZ	xyz(16.4265, 19.7317, 38.5329)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3683A5 #A55836

analogous

#36A58F #3683A5 #364CA5

triadic

#3683A5 #A53683 #83A536

tetradic

#3683A5 #8F36A5 #A55836 #4CA536

square

#3683A5 #8F36A5 #A55836 #4CA536

split-complementary

#3683A5 #A5364C #A58F36

monochromatic

#183A49 #275E77 #3683A5 #52A3C6 #80BBD5

Accessibility & contrast

On white

4.25

#3683A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#3683A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3683A5

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3683A5	#FFFFFF	#000000	##000000
##3683A5	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7281A7

Deuteranopia (green-blind)

#6276A5

Tritanopia (blue-blind)

#008C8E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3683a5;
/* rgb */ color: rgb(54, 131, 165);
/* oklch */ color: oklch(57.7% 0.091 230.3);

Tailwind

colors: {
  custom: {
    50: '#7aa7bf',
    500: '#3683a5',
    950: '#000000',
  },
}

SCSS

$custom: #3683a5;
$custom-light: #7aa7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3683a5",
  "rgb": {
    "r": 54,
    "g": 131,
    "b": 165
  },
  "hsl": {
    "h": 198.378,
    "s": 50.685,
    "l": 42.941
  },
  "oklch": {
    "l": 0.57683,
    "c": 0.09107,
    "h": 230.3
  },
  "luminance": 0.19733
}

Semantic roles & 50–950 ramp

primary

#3683A5

secondary

#BF8E78

accent

#794EDA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3683A5

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

Preview Lab → · Contrast checker → · Palette generator →