#3580C6#3580C6

#3580C6 is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.130 H 249.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3580C6
RGB	rgb(53, 128, 198)
HSL	hsl(209, 58%, 49%)
HSV	hsv(209, 73%, 78%)
CMYK	cmyk(73.2%, 35.4%, 0%, 22.4%)
CIE-LAB	lab(52.14, 0.56, -43.05)
CIE-LCH	lch(52.14, 43.05, 270.74°)
OKLab	oklab(58.66% -0.0451 -0.1224)
OKLCH	oklch(58.66% 0.13 249.8)
XYZ	xyz(19.3766, 20.2703, 56.3065)
Luminance	0.2027 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3580C6 #C67B35

analogous

#35C6C4 #3580C6 #3537C6

triadic

#3580C6 #C63580 #80C635

tetradic

#3580C6 #C435C6 #C67B35 #37C635

square

#3580C6 #C435C6 #C67B35 #37C635

split-complementary

#3580C6 #C63537 #C6C435

monochromatic

#1B4265 #286196 #3580C6 #639ED5 #93BCE2

Accessibility & contrast

On white

4.15

#3580C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#3580C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3580C6

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3580C6	#FFFFFF	#000000	##000000
##3580C6	1.00	4.15	5.05	5.05
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6084C9

Deuteranopia (green-blind)

#4B76C5

Tritanopia (blue-blind)

#00919A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3580c6;
/* rgb */ color: rgb(53, 128, 198);
/* oklch */ color: oklch(58.7% 0.130 249.8);

Tailwind

colors: {
  custom: {
    50: '#7fa4d7',
    500: '#3580c6',
    950: '#000000',
  },
}

SCSS

$custom: #3580c6;
$custom-light: #7fa4d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3580c6",
  "rgb": {
    "r": 53,
    "g": 128,
    "b": 198
  },
  "hsl": {
    "h": 208.966,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.58661,
    "c": 0.13044,
    "h": 249.8
  },
  "luminance": 0.20272
}

Semantic roles & 50–950 ramp

primary

#3580C6

secondary

#CDAA8A

accent

#9147E1

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3580C6

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

Preview Lab → · Contrast checker → · Palette generator →