#3574BB#3574BB

#3574BB is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.3% C 0.128 H 253.4°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3574BB
RGB	rgb(53, 116, 187)
HSL	hsl(212, 56%, 47%)
HSV	hsv(212, 72%, 73%)
CMYK	cmyk(71.7%, 38%, 0%, 26.7%)
CIE-LAB	lab(48.05, 3.86, -43.22)
CIE-LCH	lch(48.05, 43.39, 275.10°)
OKLab	oklab(55.27% -0.0366 -0.1231)
OKLCH	oklch(55.27% 0.128 253.4)
XYZ	xyz(16.6799, 16.8337, 49.3742)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3574BB #BB7C35

analogous

#35B7BB #3574BB #3935BB

triadic

#3574BB #BB3574 #74BB35

tetradic

#3574BB #BB35B7 #BB7C35 #35BB39

square

#3574BB #BB35B7 #BB7C35 #35BB39

split-complementary

#3574BB #BB3935 #B7BB35

monochromatic

#1A395C #27568B #3574BB #5C93D1 #8CB3DE

Accessibility & contrast

On white

4.81

#3574BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3574BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3574BB

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3574BB	#FFFFFF	#000000	##FFFFFF
##3574BB	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BE

Deuteranopia (green-blind)

#3F6CBA

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3574bb;
/* rgb */ color: rgb(53, 116, 187);
/* oklch */ color: oklch(55.3% 0.128 253.4);

Tailwind

colors: {
  custom: {
    50: '#7d9bd0',
    500: '#3574bb',
    950: '#000000',
  },
}

SCSS

$custom: #3574bb;
$custom-light: #7d9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3574bb",
  "rgb": {
    "r": 53,
    "g": 116,
    "b": 187
  },
  "hsl": {
    "h": 211.791,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55268,
    "c": 0.12841,
    "h": 253.4
  },
  "luminance": 0.16836
}

Semantic roles & 50–950 ramp

primary

#3574BB

secondary

#C9A883

accent

#9849DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3574BB

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

Preview Lab → · Contrast checker → · Palette generator →