#3576B9#3576B9

#3576B9 is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.6% C 0.124 H 251.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3576B9
RGB	rgb(53, 118, 185)
HSL	hsl(210, 55%, 47%)
HSV	hsv(210, 71%, 73%)
CMYK	cmyk(71.4%, 36.2%, 0%, 27.5%)
CIE-LAB	lab(48.53, 1.90, -41.31)
CIE-LCH	lch(48.53, 41.35, 272.64°)
OKLab	oklab(55.61% -0.039 -0.1174)
OKLCH	oklch(55.61% 0.124 251.6)
XYZ	xyz(16.7003, 17.2147, 48.3322)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3576B9 #B97835

analogous

#35B8B9 #3576B9 #3635B9

triadic

#3576B9 #B93576 #76B935

tetradic

#3576B9 #B935B8 #B97835 #35B936

square

#3576B9 #B935B8 #B97835 #35B936

split-complementary

#3576B9 #B93635 #B8B935

monochromatic

#1A395A #275889 #3576B9 #5B95D0 #8BB4DE

Accessibility & contrast

On white

4.73

#3576B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3576B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3576B9

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3576B9	#FFFFFF	#000000	##FFFFFF
##3576B9	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587ABC

Deuteranopia (green-blind)

#446EB8

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3576b9;
/* rgb */ color: rgb(53, 118, 185);
/* oklch */ color: oklch(55.6% 0.124 251.6);

Tailwind

colors: {
  custom: {
    50: '#7c9dce',
    500: '#3576b9',
    950: '#000000',
  },
}

SCSS

$custom: #3576b9;
$custom-light: #7c9dce;
$custom-dark: #000000;

JSON

{
  "hex": "#3576b9",
  "rgb": {
    "r": 53,
    "g": 118,
    "b": 185
  },
  "hsl": {
    "h": 210.455,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55608,
    "c": 0.12376,
    "h": 251.6
  },
  "luminance": 0.17217
}

Semantic roles & 50–950 ramp

primary

#3576B9

secondary

#C8A582

accent

#9549DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3576B9

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

Preview Lab → · Contrast checker → · Palette generator →