#3E81D3#3E81D3

#3E81D3 is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 60.0% C 0.143 H 255.0°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3E81D3
RGB	rgb(62, 129, 211)
HSL	hsl(213, 63%, 54%)
HSV	hsv(213, 71%, 83%)
CMYK	cmyk(70.6%, 38.9%, 0%, 17.3%)
CIE-LAB	lab(53.41, 5.89, -48.39)
CIE-LCH	lch(53.41, 48.75, 276.94°)
OKLab	oklab(59.96% -0.0371 -0.1379)
OKLCH	oklch(59.96% 0.143 255)
XYZ	xyz(21.5904, 21.4255, 64.6131)
Luminance	0.2143 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E81D3 #D3903E

analogous

#3ECBD3 #3E81D3 #453ED3

triadic

#3E81D3 #D33E81 #81D33E

tetradic

#3E81D3 #D33ECB #D3903E #3ED345

square

#3E81D3 #D33ECB #D3903E #3ED345

split-complementary

#3E81D3 #D3453E #CBD33E

monochromatic

#1C477B #2763AC #3E81D3 #70A2DE #A2C2EA

Accessibility & contrast

On white

3.97

#3E81D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#3E81D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E81D3

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E81D3	#FFFFFF	#000000	##000000
##3E81D3	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B87D6

Deuteranopia (green-blind)

#4479D1

Tritanopia (blue-blind)

#0094A0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3e81d3;
/* rgb */ color: rgb(62, 129, 211);
/* oklch */ color: oklch(60.0% 0.143 255.0);

Tailwind

colors: {
  custom: {
    50: '#84a5e1',
    500: '#3e81d3',
    950: '#000000',
  },
}

SCSS

$custom: #3e81d3;
$custom-light: #84a5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e81d3",
  "rgb": {
    "r": 62,
    "g": 129,
    "b": 211
  },
  "hsl": {
    "h": 213.02,
    "s": 62.869,
    "l": 53.529
  },
  "oklch": {
    "l": 0.59962,
    "c": 0.14281,
    "h": 255
  },
  "luminance": 0.21428
}

Semantic roles & 50–950 ramp

primary

#3E81D3

secondary

#D6BA96

accent

#9C42E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3E81D3

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

Preview Lab → · Contrast checker → · Palette generator →