#3578BA#3578BA

#3578BA is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.1% C 0.123 H 250.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3578BA
RGB	rgb(53, 120, 186)
HSL	hsl(210, 56%, 47%)
HSV	hsv(210, 72%, 73%)
CMYK	cmyk(71.5%, 35.5%, 0%, 27.1%)
CIE-LAB	lab(49.17, 1.05, -40.87)
CIE-LCH	lch(49.17, 40.88, 271.47°)
OKLab	oklab(56.13% -0.0407 -0.1161)
OKLCH	oklch(56.13% 0.123 250.7)
XYZ	xyz(17.0443, 17.7331, 48.9694)
Luminance	0.1774 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3578BA #BA7735

analogous

#35BABA #3578BA #3536BA

triadic

#3578BA #BA3578 #78BA35

tetradic

#3578BA #BA35BA #BA7735 #36BA35

square

#3578BA #BA35BA #BA7735 #36BA35

split-complementary

#3578BA #BA3536 #BABA35

monochromatic

#1A3B5B #27598A #3578BA #5C97D0 #8BB5DE

Accessibility & contrast

On white

4.62

#3578BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3578BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3578BA

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3578BA	#FFFFFF	#000000	##FFFFFF
##3578BA	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBD

Deuteranopia (green-blind)

#476FB9

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3578ba;
/* rgb */ color: rgb(53, 120, 186);
/* oklch */ color: oklch(56.1% 0.123 250.7);

Tailwind

colors: {
  custom: {
    50: '#7c9ecf',
    500: '#3578ba',
    950: '#000000',
  },
}

SCSS

$custom: #3578ba;
$custom-light: #7c9ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3578ba",
  "rgb": {
    "r": 53,
    "g": 120,
    "b": 186
  },
  "hsl": {
    "h": 209.774,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56128,
    "c": 0.12306,
    "h": 250.7
  },
  "luminance": 0.17735
}

Semantic roles & 50–950 ramp

primary

#3578BA

secondary

#C8A582

accent

#9349DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3578BA

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

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