#3580A5#3580A5

#3580A5 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.9% C 0.093 H 233.2°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3580A5
RGB	rgb(53, 128, 165)
HSL	hsl(200, 51%, 43%)
HSV	hsv(200, 68%, 65%)
CMYK	cmyk(67.9%, 22.4%, 0%, 35.3%)
CIE-LAB	lab(50.58, -11.05, -26.51)
CIE-LCH	lch(50.58, 28.72, 247.37°)
OKLab	oklab(56.92% -0.0556 -0.0744)
OKLCH	oklch(56.92% 0.093 233.2)
XYZ	xyz(15.9762, 18.9101, 38.3981)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3580A5 #A55A35

analogous

#35A592 #3580A5 #3548A5

triadic

#3580A5 #A53580 #80A535

tetradic

#3580A5 #9235A5 #A55A35 #48A535

square

#3580A5 #9235A5 #A55A35 #48A535

split-complementary

#3580A5 #A53548 #A59235

monochromatic

#173848 #265C77 #3580A5 #50A0C7 #7FB9D6

Accessibility & contrast

On white

4.39

#3580A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3580A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3580A5

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3580A5	#FFFFFF	#000000	##000000
##3580A5	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7FA7

Deuteranopia (green-blind)

#5E73A4

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3580a5;
/* rgb */ color: rgb(53, 128, 165);
/* oklch */ color: oklch(56.9% 0.093 233.2);

Tailwind

colors: {
  custom: {
    50: '#79a4bf',
    500: '#3580a5',
    950: '#000000',
  },
}

SCSS

$custom: #3580a5;
$custom-light: #79a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3580a5",
  "rgb": {
    "r": 53,
    "g": 128,
    "b": 165
  },
  "hsl": {
    "h": 199.821,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.56917,
    "c": 0.09282,
    "h": 233.2
  },
  "luminance": 0.18912
}

Semantic roles & 50–950 ramp

primary

#3580A5

secondary

#BF8F77

accent

#7C4DDB

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3580A5

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

Preview Lab → · Contrast checker → · Palette generator →