#3470BB#3470BB

#3470BB is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.3% C 0.133 H 255.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3470BB
RGB	rgb(52, 112, 187)
HSL	hsl(213, 56%, 47%)
HSV	hsv(213, 72%, 73%)
CMYK	cmyk(72.2%, 40.1%, 0%, 26.7%)
CIE-LAB	lab(46.85, 6.19, -45.13)
CIE-LCH	lch(46.85, 45.56, 277.81°)
OKLab	oklab(54.32% -0.0335 -0.1288)
OKLCH	oklch(54.32% 0.133 255.4)
XYZ	xyz(16.1767, 15.9045, 49.2214)
Luminance	0.1591 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3470BB #BB7F34

analogous

#34B4BB #3470BB #3B34BB

triadic

#3470BB #BB3470 #70BB34

tetradic

#3470BB #BB34B4 #BB7F34 #34BB3B

square

#3470BB #BB34B4 #BB7F34 #34BB3B

split-complementary

#3470BB #BB3B34 #B4BB34

monochromatic

#19375B #27538B #3470BB #5B90D1 #8BB0DF

Accessibility & contrast

On white

5.02

#3470BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#3470BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3470BB

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3470BB	#FFFFFF	#000000	##FFFFFF
##3470BB	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D76BE

Deuteranopia (green-blind)

#3769B9

Tritanopia (blue-blind)

#00828C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3470bb;
/* rgb */ color: rgb(52, 112, 187);
/* oklch */ color: oklch(54.3% 0.133 255.4);

Tailwind

colors: {
  custom: {
    50: '#7c98d0',
    500: '#3470bb',
    950: '#000000',
  },
}

SCSS

$custom: #3470bb;
$custom-light: #7c98d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3470bb",
  "rgb": {
    "r": 52,
    "g": 112,
    "b": 187
  },
  "hsl": {
    "h": 213.333,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54322,
    "c": 0.13305,
    "h": 255.4
  },
  "luminance": 0.15906
}

Semantic roles & 50–950 ramp

primary

#3470BB

secondary

#C9A982

accent

#9C48E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3470BB

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

Preview Lab → · Contrast checker → · Palette generator →