#3580CA#3580CA

#3580CA is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 58.9% C 0.135 H 251.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3580CA
RGB	rgb(53, 128, 202)
HSL	hsl(210, 58%, 50%)
HSV	hsv(210, 74%, 79%)
CMYK	cmyk(73.8%, 36.6%, 0%, 20.8%)
CIE-LAB	lab(52.35, 2.01, -44.99)
CIE-LCH	lch(52.35, 45.04, 272.55°)
OKLab	oklab(58.89% -0.0441 -0.1281)
OKLCH	oklch(58.89% 0.135 251)
XYZ	xyz(19.8440, 20.4572, 58.7685)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3580CA #CA7F35

analogous

#35CACA #3580CA #3535CA

triadic

#3580CA #CA3580 #80CA35

tetradic

#3580CA #CA35CA #CA7F35 #35CA35

square

#3580CA #CA35CA #CA7F35 #35CA35

split-complementary

#3580CA #CA3535 #CACA35

monochromatic

#1C4369 #28619A #3580CA #659ED7 #96BDE3

Accessibility & contrast

On white

4.12

#3580CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#3580CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3580CA

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3580CA	#FFFFFF	#000000	##000000
##3580CA	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E84CD

Deuteranopia (green-blind)

#4877C9

Tritanopia (blue-blind)

#00929B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3580ca;
/* rgb */ color: rgb(53, 128, 202);
/* oklch */ color: oklch(58.9% 0.135 251.0);

Tailwind

colors: {
  custom: {
    50: '#7fa4da',
    500: '#3580ca',
    950: '#000000',
  },
}

SCSS

$custom: #3580ca;
$custom-light: #7fa4da;
$custom-dark: #000000;

JSON

{
  "hex": "#3580ca",
  "rgb": {
    "r": 53,
    "g": 128,
    "b": 202
  },
  "hsl": {
    "h": 209.799,
    "s": 58.431,
    "l": 50
  },
  "oklch": {
    "l": 0.58893,
    "c": 0.13546,
    "h": 251
  },
  "luminance": 0.20459
}

Semantic roles & 50–950 ramp

primary

#3580CA

secondary

#CFAD8C

accent

#9346E2

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3580CA

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

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