#3583BD#3583BD

#3583BD is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.9% C 0.117 H 244.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3583BD
RGB	rgb(53, 131, 189)
HSL	hsl(206, 56%, 47%)
HSV	hsv(206, 72%, 74%)
CMYK	cmyk(72%, 30.7%, 0%, 25.9%)
CIE-LAB	lab(52.58, -4.44, -37.22)
CIE-LCH	lch(52.58, 37.49, 263.20°)
OKLab	oklab(58.86% -0.0506 -0.1053)
OKLCH	oklch(58.86% 0.117 244.4)
XYZ	xyz(18.7663, 20.6615, 51.1333)
Luminance	0.2066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583BD #BD6F35

analogous

#35BDB3 #3583BD #353FBD

triadic

#3583BD #BD3583 #83BD35

tetradic

#3583BD #B335BD #BD6F35 #3FBD35

square

#3583BD #B335BD #BD6F35 #3FBD35

split-complementary

#3583BD #BD353F #BDB335

monochromatic

#1A415D #28628D #3583BD #5DA0D2 #8DBCDF

Accessibility & contrast

On white

4.09

#3583BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#3583BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583BD

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583BD	#FFFFFF	#000000	##000000
##3583BD	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6985C0

Deuteranopia (green-blind)

#5678BC

Tritanopia (blue-blind)

#009198

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3583bd;
/* rgb */ color: rgb(53, 131, 189);
/* oklch */ color: oklch(58.9% 0.117 244.4);

Tailwind

colors: {
  custom: {
    50: '#7da6d1',
    500: '#3583bd',
    950: '#000000',
  },
}

SCSS

$custom: #3583bd;
$custom-light: #7da6d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3583bd",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 189
  },
  "hsl": {
    "h": 205.588,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.58857,
    "c": 0.11686,
    "h": 244.4
  },
  "luminance": 0.20664
}

Semantic roles & 50–950 ramp

primary

#3583BD

secondary

#CAA284

accent

#8948DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3583BD

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

Preview Lab → · Contrast checker → · Palette generator →