#3583D0#3583D0

#3583D0 is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 59.9% C 0.140 H 251.1°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3583D0
RGB	rgb(53, 131, 208)
HSL	hsl(210, 62%, 51%)
HSV	hsv(210, 75%, 82%)
CMYK	cmyk(74.5%, 37%, 0%, 18.4%)
CIE-LAB	lab(53.54, 2.38, -46.51)
CIE-LCH	lch(53.54, 46.58, 272.93°)
OKLab	oklab(59.93% -0.0453 -0.1325)
OKLCH	oklch(59.93% 0.14 251.1)
XYZ	xyz(20.9654, 21.5411, 62.7152)
Luminance	0.2154 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583D0 #D08235

analogous

#35D0CF #3583D0 #3535D0

triadic

#3583D0 #D03583 #83D035

tetradic

#3583D0 #CF35D0 #D08235 #35D035

square

#3583D0 #CF35D0 #D08235 #35D035

split-complementary

#3583D0 #D03535 #D0CF35

monochromatic

#1A4670 #2664A2 #3583D0 #67A1DC #98C0E7

Accessibility & contrast

On white

3.96

#3583D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#3583D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583D0

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583D0	#FFFFFF	#000000	##000000
##3583D0	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F88D3

Deuteranopia (green-blind)

#4879CE

Tritanopia (blue-blind)

#00959F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3583d0;
/* rgb */ color: rgb(53, 131, 208);
/* oklch */ color: oklch(59.9% 0.140 251.1);

Tailwind

colors: {
  custom: {
    50: '#81a6df',
    500: '#3583d0',
    950: '#000000',
  },
}

SCSS

$custom: #3583d0;
$custom-light: #81a6df;
$custom-dark: #000000;

JSON

{
  "hex": "#3583d0",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 208
  },
  "hsl": {
    "h": 209.806,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.59926,
    "c": 0.14001,
    "h": 251.1
  },
  "luminance": 0.21544
}

Semantic roles & 50–950 ramp

primary

#3583D0

secondary

#D3B08E

accent

#9342E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3583D0

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

Preview Lab → · Contrast checker → · Palette generator →