#3589D8#3589D8

#3589D8 is a mid, vivid cyan. Relative luminance 0.236; OKLCH L 61.7% C 0.144 H 250.3°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3589D8
RGB	rgb(53, 137, 216)
HSL	hsl(209, 68%, 53%)
HSV	hsv(209, 75%, 85%)
CMYK	cmyk(75.5%, 36.6%, 0%, 15.3%)
CIE-LAB	lab(55.69, 1.69, -47.61)
CIE-LCH	lch(55.69, 47.64, 272.03°)
OKLab	oklab(61.75% -0.0486 -0.1356)
OKLCH	oklch(61.75% 0.144 250.3)
XYZ	xyz(22.8038, 23.6034, 68.3065)
Luminance	0.2361 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3589D8 #D88435

analogous

#35D8D6 #3589D8 #3537D8

triadic

#3589D8 #D83589 #89D835

tetradic

#3589D8 #D635D8 #D88435 #37D835

square

#3589D8 #D635D8 #D88435 #37D835

split-complementary

#3589D8 #D83537 #D8D635

monochromatic

#184B7B #226AAE #3589D8 #68A7E2 #9CC5EC

Accessibility & contrast

On white

3.67

#3589D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#3589D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3589D8

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3589D8	#FFFFFF	#000000	##000000
##3589D8	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648EDB

Deuteranopia (green-blind)

#4C7FD6

Tritanopia (blue-blind)

#009CA6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3589d8;
/* rgb */ color: rgb(53, 137, 216);
/* oklch */ color: oklch(61.7% 0.144 250.3);

Tailwind

colors: {
  custom: {
    50: '#82abe4',
    500: '#3589d8',
    950: '#000000',
  },
}

SCSS

$custom: #3589d8;
$custom-light: #82abe4;
$custom-dark: #000000;

JSON

{
  "hex": "#3589d8",
  "rgb": {
    "r": 53,
    "g": 137,
    "b": 216
  },
  "hsl": {
    "h": 209.08,
    "s": 67.635,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61749,
    "c": 0.14407,
    "h": 250.3
  },
  "luminance": 0.23606
}

Semantic roles & 50–950 ramp

primary

#3589D8

secondary

#D8B391

accent

#913DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1015

muted

#7D7F84

Preview Lab

Preview with #3589D8

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

Preview Lab → · Contrast checker → · Palette generator →