#3E81CA#3E81CA

#3E81CA is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.4% C 0.131 H 252.6°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3E81CA
RGB	rgb(62, 129, 202)
HSL	hsl(211, 57%, 52%)
HSV	hsv(211, 69%, 79%)
CMYK	cmyk(69.3%, 36.1%, 0%, 20.8%)
CIE-LAB	lab(52.93, 2.69, -44.05)
CIE-LCH	lch(52.93, 44.13, 273.49°)
OKLab	oklab(59.43% -0.0392 -0.1252)
OKLCH	oklch(59.43% 0.131 252.6)
XYZ	xyz(20.4936, 20.9867, 58.8365)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E81CA #CA873E

analogous

#3EC7CA #3E81CA #413ECA

triadic

#3E81CA #CA3E81 #81CA3E

tetradic

#3E81CA #CA3EC7 #CA873E #3ECA41

square

#3E81CA #CA3EC7 #CA873E #3ECA41

split-complementary

#3E81CA #CA413E #C7CA3E

monochromatic

#1F456F #2C639F #3E81CA #6EA0D7 #9EC0E4

Accessibility & contrast

On white

4.04

#3E81CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#3E81CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E81CA

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E81CA	#FFFFFF	#000000	##000000
##3E81CA	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CD

Deuteranopia (green-blind)

#4C78C9

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3e81ca;
/* rgb */ color: rgb(62, 129, 202);
/* oklch */ color: oklch(59.4% 0.131 252.6);

Tailwind

colors: {
  custom: {
    50: '#83a5da',
    500: '#3e81ca',
    950: '#000000',
  },
}

SCSS

$custom: #3e81ca;
$custom-light: #83a5da;
$custom-dark: #000000;

JSON

{
  "hex": "#3e81ca",
  "rgb": {
    "r": 62,
    "g": 129,
    "b": 202
  },
  "hsl": {
    "h": 211.286,
    "s": 56.911,
    "l": 51.765
  },
  "oklch": {
    "l": 0.59434,
    "c": 0.1312,
    "h": 252.6
  },
  "luminance": 0.20989
}

Semantic roles & 50–950 ramp

primary

#3E81CA

secondary

#D1B393

accent

#9748E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3E81CA

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

Preview Lab → · Contrast checker → · Palette generator →