#3573C9#3573C9

#3573C9 is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.9% C 0.148 H 257.3°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3573C9
RGB	rgb(53, 115, 201)
HSL	hsl(215, 58%, 50%)
HSV	hsv(215, 74%, 79%)
CMYK	cmyk(73.6%, 42.8%, 0%, 21.2%)
CIE-LAB	lab(48.55, 9.62, -50.47)
CIE-LCH	lch(48.55, 51.38, 280.79°)
OKLab	oklab(55.92% -0.0326 -0.1444)
OKLCH	oklch(55.92% 0.148 257.3)
XYZ	xyz(18.1377, 17.2334, 57.6175)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573C9 #C98B35

analogous

#35BDC9 #3573C9 #4135C9

triadic

#3573C9 #C93573 #73C935

tetradic

#3573C9 #C935BD #C98B35 #35C941

square

#3573C9 #C935BD #C98B35 #35C941

split-complementary

#3573C9 #C94135 #BDC935

monochromatic

#1B3C68 #285799 #3573C9 #6594D6 #95B6E3

Accessibility & contrast

On white

4.72

#3573C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3573C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573C9

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573C9	#FFFFFF	#000000	##FFFFFF
##3573C9	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497BCC

Deuteranopia (green-blind)

#2E6DC7

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3573c9;
/* rgb */ color: rgb(53, 115, 201);
/* oklch */ color: oklch(55.9% 0.148 257.3);

Tailwind

colors: {
  custom: {
    50: '#7f9ada',
    500: '#3573c9',
    950: '#000000',
  },
}

SCSS

$custom: #3573c9;
$custom-light: #7f9ada;
$custom-dark: #000000;

JSON

{
  "hex": "#3573c9",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 201
  },
  "hsl": {
    "h": 214.865,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55916,
    "c": 0.148,
    "h": 257.3
  },
  "luminance": 0.17235
}

Semantic roles & 50–950 ramp

primary

#3573C9

secondary

#CEB28B

accent

#A046E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #3573C9

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

Preview Lab → · Contrast checker → · Palette generator →