#3470CB#3470CB

#3470CB is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.4% C 0.154 H 258.7°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3470CB
RGB	rgb(52, 112, 203)
HSL	hsl(216, 59%, 50%)
HSV	hsv(216, 74%, 80%)
CMYK	cmyk(74.4%, 44.8%, 0%, 20.4%)
CIE-LAB	lab(47.79, 12.11, -52.84)
CIE-LCH	lch(47.79, 54.21, 282.91°)
OKLab	oklab(55.35% -0.0302 -0.1514)
OKLCH	oklch(55.35% 0.154 258.7)
XYZ	xyz(17.9859, 16.6282, 58.7500)
Luminance	0.1663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3470CB #CB8F34

analogous

#34BCCB #3470CB #4334CB

triadic

#3470CB #CB3470 #70CB34

tetradic

#3470CB #CB34BC #CB8F34 #34CB43

square

#3470CB #CB34BC #CB8F34 #34CB43

split-complementary

#3470CB #CB4334 #BCCB34

monochromatic

#1B3A6A #28559A #3470CB #6592D7 #95B5E4

Accessibility & contrast

On white

4.85

#3470CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3470CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3470CB

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3470CB	#FFFFFF	#000000	##FFFFFF
##3470CB	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4179CE

Deuteranopia (green-blind)

#226BC9

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3470cb;
/* rgb */ color: rgb(52, 112, 203);
/* oklch */ color: oklch(55.4% 0.154 258.7);

Tailwind

colors: {
  custom: {
    50: '#7f98db',
    500: '#3470cb',
    950: '#000000',
  },
}

SCSS

$custom: #3470cb;
$custom-light: #7f98db;
$custom-dark: #000000;

JSON

{
  "hex": "#3470cb",
  "rgb": {
    "r": 52,
    "g": 112,
    "b": 203
  },
  "hsl": {
    "h": 216.159,
    "s": 59.216,
    "l": 50
  },
  "oklch": {
    "l": 0.55354,
    "c": 0.1544,
    "h": 258.7
  },
  "luminance": 0.1663
}

Semantic roles & 50–950 ramp

primary

#3470CB

secondary

#CFB48C

accent

#A445E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3470CB

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

Preview Lab → · Contrast checker → · Palette generator →