#3683A4#3683A4

#3683A4 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.6% C 0.090 H 229.5°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#3683A4
RGB	rgb(54, 131, 164)
HSL	hsl(198, 50%, 43%)
HSV	hsv(198, 67%, 64%)
CMYK	cmyk(67.1%, 20.1%, 0%, 35.7%)
CIE-LAB	lab(51.49, -12.91, -24.52)
CIE-LCH	lch(51.49, 27.71, 242.22°)
OKLab	oklab(57.64% -0.0585 -0.0686)
OKLCH	oklch(57.64% 0.09 229.5)
XYZ	xyz(16.3358, 19.6955, 38.0554)
Luminance	0.1970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3683A4 #A45736

analogous

#36A48E #3683A4 #364CA4

triadic

#3683A4 #A43683 #83A436

tetradic

#3683A4 #8E36A4 #A45736 #4CA436

square

#3683A4 #8E36A4 #A45736 #4CA436

split-complementary

#3683A4 #A4364C #A48E36

monochromatic

#183948 #275E76 #3683A4 #51A3C6 #7FBBD5

Accessibility & contrast

On white

4.25

#3683A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#3683A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3683A4

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3683A4	#FFFFFF	#000000	##000000
##3683A4	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7281A6

Deuteranopia (green-blind)

#6376A4

Tritanopia (blue-blind)

#008C8E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3683a4;
/* rgb */ color: rgb(54, 131, 164);
/* oklch */ color: oklch(57.6% 0.090 229.5);

Tailwind

colors: {
  custom: {
    50: '#7aa7bf',
    500: '#3683a4',
    950: '#000000',
  },
}

SCSS

$custom: #3683a4;
$custom-light: #7aa7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3683a4",
  "rgb": {
    "r": 54,
    "g": 131,
    "b": 164
  },
  "hsl": {
    "h": 198,
    "s": 50.459,
    "l": 42.745
  },
  "oklch": {
    "l": 0.57636,
    "c": 0.09018,
    "h": 229.5
  },
  "luminance": 0.19697
}

Semantic roles & 50–950 ramp

primary

#3683A4

secondary

#BE8D78

accent

#784EDA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3683A4

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

Preview Lab → · Contrast checker → · Palette generator →