#3589CB#3589CB

#3589CB is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.0% C 0.128 H 246.0°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3589CB
RGB	rgb(53, 137, 203)
HSL	hsl(206, 59%, 50%)
HSV	hsv(206, 74%, 80%)
CMYK	cmyk(73.9%, 32.5%, 0%, 20.4%)
CIE-LAB	lab(55.03, -2.98, -41.33)
CIE-LCH	lch(55.03, 41.43, 265.87°)
OKLab	oklab(61.01% -0.0522 -0.1172)
OKLCH	oklch(61.01% 0.128 246)
XYZ	xyz(21.1892, 22.9576, 59.8028)
Luminance	0.2296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3589CB #CB7735

analogous

#35CBC2 #3589CB #353ECB

triadic

#3589CB #CB3589 #89CB35

tetradic

#3589CB #C235CB #CB7735 #3ECB35

square

#3589CB #C235CB #CB7735 #3ECB35

split-complementary

#3589CB #CB353E #CBC235

monochromatic

#1B486A #28689B #3589CB #66A5D8 #96C2E4

Accessibility & contrast

On white

3.76

#3589CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#3589CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3589CB

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3589CB	#FFFFFF	#000000	##000000
##3589CB	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8BCE

Deuteranopia (green-blind)

#567DCA

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3589cb;
/* rgb */ color: rgb(53, 137, 203);
/* oklch */ color: oklch(61.0% 0.128 246.0);

Tailwind

colors: {
  custom: {
    50: '#80abdb',
    500: '#3589cb',
    950: '#000000',
  },
}

SCSS

$custom: #3589cb;
$custom-light: #80abdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3589cb",
  "rgb": {
    "r": 53,
    "g": 137,
    "b": 203
  },
  "hsl": {
    "h": 206.4,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.61014,
    "c": 0.12831,
    "h": 246
  },
  "luminance": 0.2296
}

Semantic roles & 50–950 ramp

primary

#3589CB

secondary

#CFAA8C

accent

#8A46E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3589CB

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

Preview Lab → · Contrast checker → · Palette generator →