#3475BC#3475BC

#3475BC is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.5% C 0.129 H 252.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3475BC
RGB	rgb(52, 117, 188)
HSL	hsl(211, 57%, 47%)
HSV	hsv(211, 72%, 74%)
CMYK	cmyk(72.3%, 37.8%, 0%, 26.3%)
CIE-LAB	lab(48.36, 3.46, -43.31)
CIE-LCH	lch(48.36, 43.44, 274.57°)
OKLab	oklab(55.52% -0.038 -0.1233)
OKLCH	oklch(55.52% 0.129 252.9)
XYZ	xyz(16.8512, 17.0816, 49.9762)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3475BC #BC7B34

analogous

#34B9BC #3475BC #3734BC

triadic

#3475BC #BC3475 #75BC34

tetradic

#3475BC #BC34B9 #BC7B34 #34BC37

square

#3475BC #BC34B9 #BC7B34 #34BC37

split-complementary

#3475BC #BC3734 #B9BC34

monochromatic

#19395C #27578C #3475BC #5B94D2 #8BB3DF

Accessibility & contrast

On white

4.75

#3475BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3475BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3475BC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3475BC	#FFFFFF	#000000	##FFFFFF
##3475BC	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547ABF

Deuteranopia (green-blind)

#406DBB

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3475bc;
/* rgb */ color: rgb(52, 117, 188);
/* oklch */ color: oklch(55.5% 0.129 252.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3475bc",
  "rgb": {
    "r": 52,
    "g": 117,
    "b": 188
  },
  "hsl": {
    "h": 211.324,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55521,
    "c": 0.12904,
    "h": 252.9
  },
  "luminance": 0.17083
}

Semantic roles & 50–950 ramp

primary

#3475BC

secondary

#C9A783

accent

#9748E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3475BC

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

Preview Lab → · Contrast checker → · Palette generator →