#3481DD#3481DD

#3481DD is a mid, vivid cyan. Relative luminance 0.217; OKLCH L 60.2% C 0.159 H 255.0°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3481DD
RGB	rgb(52, 129, 221)
HSL	hsl(213, 71%, 54%)
HSV	hsv(213, 76%, 87%)
CMYK	cmyk(76.5%, 41.6%, 0%, 13.3%)
CIE-LAB	lab(53.65, 8.22, -53.66)
CIE-LCH	lch(53.65, 54.29, 278.71°)
OKLab	oklab(60.24% -0.0411 -0.1535)
OKLCH	oklch(60.24% 0.159 255)
XYZ	xyz(22.3127, 21.6484, 71.3952)
Luminance	0.2165 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3481DD #DD9034

analogous

#34D5DD #3481DD #3B34DD

triadic

#3481DD #DD3481 #81DD34

tetradic

#3481DD #DD34D5 #DD9034 #34DD3B

square

#3481DD #DD34D5 #DD9034 #34DD3B

split-complementary

#3481DD #DD3B34 #D5DD34

monochromatic

#164781 #1E63B5 #3481DD #68A2E6 #9DC2EF

Accessibility & contrast

On white

3.94

#3481DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#3481DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3481DD

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3481DD	#FFFFFF	#000000	##000000
##3481DD	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5489E1

Deuteranopia (green-blind)

#3679DB

Tritanopia (blue-blind)

#0097A4

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3481dd;
/* rgb */ color: rgb(52, 129, 221);
/* oklch */ color: oklch(60.2% 0.159 255.0);

Tailwind

colors: {
  custom: {
    50: '#83a5e8',
    500: '#3481dd',
    950: '#000000',
  },
}

SCSS

$custom: #3481dd;
$custom-light: #83a5e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3481dd",
  "rgb": {
    "r": 52,
    "g": 129,
    "b": 221
  },
  "hsl": {
    "h": 212.663,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.6024,
    "c": 0.15893,
    "h": 255
  },
  "luminance": 0.21651
}

Semantic roles & 50–950 ramp

primary

#3481DD

secondary

#DBBA92

accent

#9C3AEE

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3481DD

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

Preview Lab → · Contrast checker → · Palette generator →