#3480DD#3480DD

#3480DD is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 60.0% C 0.160 H 255.4°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3480DD
RGB	rgb(52, 128, 221)
HSL	hsl(213, 71%, 54%)
HSV	hsv(213, 76%, 87%)
CMYK	cmyk(76.5%, 42.1%, 0%, 13.3%)
CIE-LAB	lab(53.37, 8.83, -54.11)
CIE-LCH	lch(53.37, 54.83, 279.27°)
OKLab	oklab(60.02% -0.0403 -0.1549)
OKLCH	oklch(60.02% 0.16 255.4)
XYZ	xyz(22.1816, 21.3863, 71.3515)
Luminance	0.2139 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3480DD #DD9134

analogous

#34D4DD #3480DD #3C34DD

triadic

#3480DD #DD3480 #80DD34

tetradic

#3480DD #DD34D4 #DD9134 #34DD3C

square

#3480DD #DD34D4 #DD9134 #34DD3C

split-complementary

#3480DD #DD3C34 #D4DD34

monochromatic

#164681 #1E62B5 #3480DD #68A1E6 #9DC2EF

Accessibility & contrast

On white

3.98

#3480DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#3480DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3480DD

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3480DD	#FFFFFF	#000000	##000000
##3480DD	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5288E1

Deuteranopia (green-blind)

#3378DB

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3480dd;
/* rgb */ color: rgb(52, 128, 221);
/* oklch */ color: oklch(60.0% 0.160 255.4);

Tailwind

colors: {
  custom: {
    50: '#83a4e8',
    500: '#3480dd',
    950: '#000000',
  },
}

SCSS

$custom: #3480dd;
$custom-light: #83a4e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3480dd",
  "rgb": {
    "r": 52,
    "g": 128,
    "b": 221
  },
  "hsl": {
    "h": 213.018,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.60021,
    "c": 0.16001,
    "h": 255.4
  },
  "luminance": 0.21389
}

Semantic roles & 50–950 ramp

primary

#3480DD

secondary

#DBBA92

accent

#9D3AEE

background

#F8FAFE

surface

#F0F3FD

border

#CBCDD5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3480DD

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

Preview Lab → · Contrast checker → · Palette generator →