#3575B9#3575B9

#3575B9 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.4% C 0.125 H 252.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3575B9
RGB	rgb(53, 117, 185)
HSL	hsl(211, 55%, 47%)
HSV	hsv(211, 71%, 73%)
CMYK	cmyk(71.4%, 36.8%, 0%, 27.5%)
CIE-LAB	lab(48.24, 2.52, -41.77)
CIE-LCH	lch(48.24, 41.85, 273.45°)
OKLab	oklab(55.38% -0.0381 -0.1188)
OKLCH	oklch(55.38% 0.125 252.2)
XYZ	xyz(16.5832, 16.9804, 48.2931)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3575B9 #B97935

analogous

#35B7B9 #3575B9 #3735B9

triadic

#3575B9 #B93575 #75B935

tetradic

#3575B9 #B935B7 #B97935 #35B937

square

#3575B9 #B935B7 #B97935 #35B937

split-complementary

#3575B9 #B93735 #B7B935

monochromatic

#1A395A #275789 #3575B9 #5B94D0 #8BB3DE

Accessibility & contrast

On white

4.78

#3575B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3575B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3575B9

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3575B9	#FFFFFF	#000000	##FFFFFF
##3575B9	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5679BC

Deuteranopia (green-blind)

#436DB8

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3575b9;
/* rgb */ color: rgb(53, 117, 185);
/* oklch */ color: oklch(55.4% 0.125 252.2);

Tailwind

colors: {
  custom: {
    50: '#7c9cce',
    500: '#3575b9',
    950: '#000000',
  },
}

SCSS

$custom: #3575b9;
$custom-light: #7c9cce;
$custom-dark: #000000;

JSON

{
  "hex": "#3575b9",
  "rgb": {
    "r": 53,
    "g": 117,
    "b": 185
  },
  "hsl": {
    "h": 210.909,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55378,
    "c": 0.12477,
    "h": 252.2
  },
  "luminance": 0.16982
}

Semantic roles & 50–950 ramp

primary

#3575B9

secondary

#C8A682

accent

#9649DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3575B9

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

Preview Lab → · Contrast checker → · Palette generator →