#3577C6#3577C6

#3577C6 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.6% C 0.140 H 254.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3577C6
RGB	rgb(53, 119, 198)
HSL	hsl(213, 58%, 49%)
HSV	hsv(213, 73%, 78%)
CMYK	cmyk(73.2%, 39.9%, 0%, 22.4%)
CIE-LAB	lab(49.53, 6.03, -47.20)
CIE-LCH	lch(49.53, 47.58, 277.28°)
OKLab	oklab(56.62% -0.0368 -0.1347)
OKLCH	oklch(56.62% 0.14 254.7)
XYZ	xyz(18.2543, 18.0257, 55.9324)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577C6 #C68435

analogous

#35C0C6 #3577C6 #3C35C6

triadic

#3577C6 #C63577 #77C635

tetradic

#3577C6 #C635C0 #C68435 #35C63C

square

#3577C6 #C635C0 #C68435 #35C63C

split-complementary

#3577C6 #C63C35 #C0C635

monochromatic

#1B3D65 #285A96 #3577C6 #6397D5 #93B7E2

Accessibility & contrast

On white

4.56

#3577C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3577C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3577C6

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577C6	#FFFFFF	#000000	##000000
##3577C6	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527DC9

Deuteranopia (green-blind)

#3B70C4

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3577c6;
/* rgb */ color: rgb(53, 119, 198);
/* oklch */ color: oklch(56.6% 0.140 254.7);

Tailwind

colors: {
  custom: {
    50: '#7f9dd8',
    500: '#3577c6',
    950: '#000000',
  },
}

SCSS

$custom: #3577c6;
$custom-light: #7f9dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3577c6",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 198
  },
  "hsl": {
    "h": 212.69,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56618,
    "c": 0.13962,
    "h": 254.7
  },
  "luminance": 0.18028
}

Semantic roles & 50–950 ramp

primary

#3577C6

secondary

#CDAE8A

accent

#9B47E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3577C6

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

Preview Lab → · Contrast checker → · Palette generator →