#3475BB#3475BB

#3475BB is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.5% C 0.128 H 252.6°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3475BB
RGB	rgb(52, 117, 187)
HSL	hsl(211, 56%, 47%)
HSV	hsv(211, 72%, 73%)
CMYK	cmyk(72.2%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(48.31, 3.10, -42.81)
CIE-LCH	lch(48.31, 42.93, 274.14°)
OKLab	oklab(55.46% -0.0382 -0.1219)
OKLCH	oklch(55.46% 0.128 252.6)
XYZ	xyz(16.7438, 17.0387, 49.4104)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3475BB #BB7A34

analogous

#34B9BB #3475BB #3734BB

triadic

#3475BB #BB3475 #75BB34

tetradic

#3475BB #BB34B9 #BB7A34 #34BB37

square

#3475BB #BB34B9 #BB7A34 #34BB37

split-complementary

#3475BB #BB3734 #B9BB34

monochromatic

#19395B #27578B #3475BB #5B94D1 #8BB3DF

Accessibility & contrast

On white

4.76

#3475BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3475BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3475BB

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3475BB	#FFFFFF	#000000	##FFFFFF
##3475BB	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557ABE

Deuteranopia (green-blind)

#416DBA

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3475bb;
/* rgb */ color: rgb(52, 117, 187);
/* oklch */ color: oklch(55.5% 0.128 252.6);

Tailwind

colors: {
  custom: {
    50: '#7c9cd0',
    500: '#3475bb',
    950: '#000000',
  },
}

SCSS

$custom: #3475bb;
$custom-light: #7c9cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3475bb",
  "rgb": {
    "r": 52,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 211.111,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55461,
    "c": 0.12774,
    "h": 252.6
  },
  "luminance": 0.17041
}

Semantic roles & 50–950 ramp

primary

#3475BB

secondary

#C9A782

accent

#9748E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3475BB

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

Preview Lab → · Contrast checker → · Palette generator →