#3475B9#3475B9

#3475B9 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.3% C 0.125 H 252.0°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3475B9
RGB	rgb(52, 117, 185)
HSL	hsl(211, 56%, 46%)
HSV	hsv(211, 72%, 73%)
CMYK	cmyk(71.9%, 36.8%, 0%, 27.5%)
CIE-LAB	lab(48.20, 2.37, -41.83)
CIE-LCH	lch(48.20, 41.90, 273.24°)
OKLab	oklab(55.34% -0.0387 -0.119)
OKLCH	oklch(55.34% 0.125 252)
XYZ	xyz(16.5312, 16.9536, 48.2907)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3475B9 #B97834

analogous

#34B8B9 #3475B9 #3634B9

triadic

#3475B9 #B93475 #75B934

tetradic

#3475B9 #B934B8 #B97834 #34B936

square

#3475B9 #B934B8 #B97834 #34B936

split-complementary

#3475B9 #B93634 #B8B934

monochromatic

#193959 #275789 #3475B9 #5A94D1 #89B3DE

Accessibility & contrast

On white

4.78

#3475B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3475B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3475B9

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3475B9	#FFFFFF	#000000	##FFFFFF
##3475B9	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	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)

#426DB8

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3475b9;
/* rgb */ color: rgb(52, 117, 185);
/* oklch */ color: oklch(55.3% 0.125 252.0);

Tailwind

colors: {
  custom: {
    50: '#7c9cce',
    500: '#3475b9',
    950: '#000000',
  },
}

SCSS

$custom: #3475b9;
$custom-light: #7c9cce;
$custom-dark: #000000;

JSON

{
  "hex": "#3475b9",
  "rgb": {
    "r": 52,
    "g": 117,
    "b": 185
  },
  "hsl": {
    "h": 210.677,
    "s": 56.118,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55342,
    "c": 0.12515,
    "h": 252
  },
  "luminance": 0.16955
}

Semantic roles & 50–950 ramp

primary

#3475B9

secondary

#C8A581

accent

#9648DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3475B9

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

Preview Lab → · Contrast checker → · Palette generator →