#3574B9#3574B9

#3574B9 is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.1% C 0.126 H 252.8°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3574B9
RGB	rgb(53, 116, 185)
HSL	hsl(211, 55%, 47%)
HSV	hsv(211, 71%, 73%)
CMYK	cmyk(71.4%, 37.3%, 0%, 27.5%)
CIE-LAB	lab(47.94, 3.13, -42.24)
CIE-LCH	lch(47.94, 42.35, 274.24°)
OKLab	oklab(55.15% -0.0371 -0.1202)
OKLCH	oklch(55.15% 0.126 252.8)
XYZ	xyz(16.4673, 16.7487, 48.2545)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3574B9 #B97A35

analogous

#35B6B9 #3574B9 #3835B9

triadic

#3574B9 #B93574 #74B935

tetradic

#3574B9 #B935B6 #B97A35 #35B938

square

#3574B9 #B935B6 #B97A35 #35B938

split-complementary

#3574B9 #B93835 #B6B935

monochromatic

#1A385A #275689 #3574B9 #5B93D0 #8BB2DE

Accessibility & contrast

On white

4.83

#3574B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3574B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3574B9

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3574B9	#FFFFFF	#000000	##FFFFFF
##3574B9	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5579BC

Deuteranopia (green-blind)

#416CB8

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3574b9;
/* rgb */ color: rgb(53, 116, 185);
/* oklch */ color: oklch(55.1% 0.126 252.8);

Tailwind

colors: {
  custom: {
    50: '#7c9bce',
    500: '#3574b9',
    950: '#000000',
  },
}

SCSS

$custom: #3574b9;
$custom-light: #7c9bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3574b9",
  "rgb": {
    "r": 53,
    "g": 116,
    "b": 185
  },
  "hsl": {
    "h": 211.364,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55149,
    "c": 0.1258,
    "h": 252.8
  },
  "luminance": 0.1675
}

Semantic roles & 50–950 ramp

primary

#3574B9

secondary

#C8A682

accent

#9749DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3574B9

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

Preview Lab → · Contrast checker → · Palette generator →