#3470B8#3470B8

#3470B8 is a mid, vivid cyan. Relative luminance 0.158; OKLCH L 54.1% C 0.129 H 254.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3470B8
RGB	rgb(52, 112, 184)
HSL	hsl(213, 56%, 46%)
HSV	hsv(213, 72%, 72%)
CMYK	cmyk(71.7%, 39.1%, 0%, 27.8%)
CIE-LAB	lab(46.68, 5.09, -43.66)
CIE-LCH	lch(46.68, 43.96, 276.64°)
OKLab	oklab(54.14% -0.0342 -0.1244)
OKLCH	oklch(54.14% 0.129 254.6)
XYZ	xyz(15.8589, 15.7774, 47.5476)
Luminance	0.1578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3470B8 #B87C34

analogous

#34B2B8 #3470B8 #3A34B8

triadic

#3470B8 #B83470 #70B834

tetradic

#3470B8 #B834B2 #B87C34 #34B83A

square

#3470B8 #B834B2 #B87C34 #34B83A

split-complementary

#3470B8 #B83A34 #B2B834

monochromatic

#193659 #275388 #3470B8 #598FD0 #89AFDE

Accessibility & contrast

On white

5.05

#3470B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#3470B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3470B8

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3470B8	#FFFFFF	#000000	##FFFFFF
##3470B8	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F75BB

Deuteranopia (green-blind)

#3A69B7

Tritanopia (blue-blind)

#00818B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3470b8;
/* rgb */ color: rgb(52, 112, 184);
/* oklch */ color: oklch(54.1% 0.129 254.6);

Tailwind

colors: {
  custom: {
    50: '#7c98ce',
    500: '#3470b8',
    950: '#000000',
  },
}

SCSS

$custom: #3470b8;
$custom-light: #7c98ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3470b8",
  "rgb": {
    "r": 52,
    "g": 112,
    "b": 184
  },
  "hsl": {
    "h": 212.727,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54137,
    "c": 0.12907,
    "h": 254.6
  },
  "luminance": 0.15779
}

Semantic roles & 50–950 ramp

primary

#3470B8

secondary

#C8A780

accent

#9B49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3470B8

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

Preview Lab → · Contrast checker → · Palette generator →