#3683DA#3683DA

#3683DA is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.6% C 0.152 H 253.9°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3683DA
RGB	rgb(54, 131, 218)
HSL	hsl(212, 69%, 53%)
HSV	hsv(212, 75%, 85%)
CMYK	cmyk(75.2%, 39.9%, 0%, 14.5%)
CIE-LAB	lab(54.11, 6.14, -51.25)
CIE-LCH	lch(54.11, 51.61, 276.83°)
OKLab	oklab(60.56% -0.0423 -0.1464)
OKLCH	oklch(60.56% 0.152 253.9)
XYZ	xyz(22.2878, 22.0763, 69.4026)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3683DA #DA8D36

analogous

#36D5DA #3683DA #3B36DA

triadic

#3683DA #DA3683 #83DA36

tetradic

#3683DA #DA36D5 #DA8D36 #36DA3B

square

#3683DA #DA36D5 #DA8D36 #36DA3B

split-complementary

#3683DA #DA3B36 #D5DA36

monochromatic

#17487E #2165B2 #3683DA #6AA3E4 #9DC3ED

Accessibility & contrast

On white

3.88

#3683DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#3683DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3683DA

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3683DA	#FFFFFF	#000000	##000000
##3683DA	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#598ADD

Deuteranopia (green-blind)

#3F7AD8

Tritanopia (blue-blind)

#0098A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3683da;
/* rgb */ color: rgb(54, 131, 218);
/* oklch */ color: oklch(60.6% 0.152 253.9);

Tailwind

colors: {
  custom: {
    50: '#83a6e6',
    500: '#3683da',
    950: '#000000',
  },
}

SCSS

$custom: #3683da;
$custom-light: #83a6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3683da",
  "rgb": {
    "r": 54,
    "g": 131,
    "b": 218
  },
  "hsl": {
    "h": 211.829,
    "s": 68.908,
    "l": 53.333
  },
  "oklch": {
    "l": 0.60556,
    "c": 0.15235,
    "h": 253.9
  },
  "luminance": 0.22079
}

Semantic roles & 50–950 ramp

primary

#3683DA

secondary

#D9B893

accent

#993CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3683DA

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

Preview Lab → · Contrast checker → · Palette generator →