#3583DA#3583DA

#3583DA is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.5% C 0.153 H 253.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3583DA
RGB	rgb(53, 131, 218)
HSL	hsl(212, 69%, 53%)
HSV	hsv(212, 76%, 85%)
CMYK	cmyk(75.7%, 39.9%, 0%, 14.5%)
CIE-LAB	lab(54.08, 6.02, -51.29)
CIE-LCH	lch(54.08, 51.65, 276.69°)
OKLab	oklab(60.53% -0.0429 -0.1465)
OKLCH	oklch(60.53% 0.153 253.7)
XYZ	xyz(22.2347, 22.0489, 69.4001)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583DA #DA8C35

analogous

#35D6DA #3583DA #3935DA

triadic

#3583DA #DA3583 #83DA35

tetradic

#3583DA #DA35D6 #DA8C35 #35DA39

square

#3583DA #DA35D6 #DA8C35 #35DA39

split-complementary

#3583DA #DA3935 #D6DA35

monochromatic

#17487E #2065B1 #3583DA #69A3E3 #9CC3ED

Accessibility & contrast

On white

3.88

#3583DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#3583DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583DA

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583DA	#FFFFFF	#000000	##000000
##3583DA	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5989DD

Deuteranopia (green-blind)

#3E7AD8

Tritanopia (blue-blind)

#0098A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3583da;
/* rgb */ color: rgb(53, 131, 218);
/* oklch */ color: oklch(60.5% 0.153 253.7);

Tailwind

colors: {
  custom: {
    50: '#82a6e6',
    500: '#3583da',
    950: '#000000',
  },
}

SCSS

$custom: #3583da;
$custom-light: #82a6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3583da",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 218
  },
  "hsl": {
    "h": 211.636,
    "s": 69.038,
    "l": 53.137
  },
  "oklch": {
    "l": 0.60526,
    "c": 0.15266,
    "h": 253.7
  },
  "luminance": 0.22051
}

Semantic roles & 50–950 ramp

primary

#3583DA

secondary

#D9B792

accent

#993CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3583DA

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

Preview Lab → · Contrast checker → · Palette generator →