#3683A8#3683A8

#3683A8 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.8% C 0.094 H 232.6°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3683A8
RGB	rgb(54, 131, 168)
HSL	hsl(199, 51%, 44%)
HSV	hsv(199, 68%, 66%)
CMYK	cmyk(67.9%, 22%, 0%, 34.1%)
CIE-LAB	lab(51.66, -11.57, -26.57)
CIE-LCH	lch(51.66, 28.98, 246.47°)
OKLab	oklab(57.83% -0.057 -0.0745)
OKLCH	oklch(57.83% 0.094 232.6)
XYZ	xyz(16.7027, 19.8422, 39.9879)
Luminance	0.1984 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3683A8 #A85B36

analogous

#36A894 #3683A8 #364AA8

triadic

#3683A8 #A83683 #83A836

tetradic

#3683A8 #9436A8 #A85B36 #4AA836

square

#3683A8 #9436A8 #A85B36 #4AA836

split-complementary

#3683A8 #A8364A #A89436

monochromatic

#183B4B #275F7A #3683A8 #53A2C8 #82BBD7

Accessibility & contrast

On white

4.23

#3683A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3683A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3683A8

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3683A8	#FFFFFF	#000000	##000000
##3683A8	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7182AA

Deuteranopia (green-blind)

#6176A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3683a8;
/* rgb */ color: rgb(54, 131, 168);
/* oklch */ color: oklch(57.8% 0.094 232.6);

Tailwind

colors: {
  custom: {
    50: '#7aa7c2',
    500: '#3683a8',
    950: '#000000',
  },
}

SCSS

$custom: #3683a8;
$custom-light: #7aa7c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3683a8",
  "rgb": {
    "r": 54,
    "g": 131,
    "b": 168
  },
  "hsl": {
    "h": 199.474,
    "s": 51.351,
    "l": 43.529
  },
  "oklch": {
    "l": 0.57825,
    "c": 0.09385,
    "h": 232.6
  },
  "luminance": 0.19844
}

Semantic roles & 50–950 ramp

primary

#3683A8

secondary

#C0917A

accent

#7B4DDB

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3683A8

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

Preview Lab → · Contrast checker → · Palette generator →