#3580A4#3580A4

#3580A4 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.9% C 0.092 H 232.5°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3580A4
RGB	rgb(53, 128, 164)
HSL	hsl(199, 51%, 43%)
HSV	hsv(199, 68%, 64%)
CMYK	cmyk(67.7%, 22%, 0%, 35.7%)
CIE-LAB	lab(50.54, -11.39, -25.99)
CIE-LCH	lch(50.54, 28.38, 246.34°)
OKLab	oklab(56.87% -0.0559 -0.0729)
OKLCH	oklch(56.87% 0.092 232.5)
XYZ	xyz(15.8856, 18.8739, 37.9206)
Luminance	0.1888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3580A4 #A45935

analogous

#35A490 #3580A4 #3549A4

triadic

#3580A4 #A43580 #80A435

tetradic

#3580A4 #9035A4 #A45935 #49A435

square

#3580A4 #9035A4 #A45935 #49A435

split-complementary

#3580A4 #A43549 #A49035

monochromatic

#173847 #265C76 #3580A4 #50A0C6 #7EB9D5

Accessibility & contrast

On white

4.40

#3580A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3580A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3580A4

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3580A4	#FFFFFF	#000000	##000000
##3580A4	1.00	4.40	4.78	4.78
#FFFFFF	4.40	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)

#6E7FA6

Deuteranopia (green-blind)

#5F73A3

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3580a4;
/* rgb */ color: rgb(53, 128, 164);
/* oklch */ color: oklch(56.9% 0.092 232.5);

Tailwind

colors: {
  custom: {
    50: '#79a4bf',
    500: '#3580a4',
    950: '#000000',
  },
}

SCSS

$custom: #3580a4;
$custom-light: #79a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3580a4",
  "rgb": {
    "r": 53,
    "g": 128,
    "b": 164
  },
  "hsl": {
    "h": 199.459,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56869,
    "c": 0.09186,
    "h": 232.5
  },
  "luminance": 0.18876
}

Semantic roles & 50–950 ramp

primary

#3580A4

secondary

#BE8E76

accent

#7B4DDB

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3580A4

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

Preview Lab → · Contrast checker → · Palette generator →