#3E66CC#3E66CC

#3E66CC is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.7% C 0.165 H 265.2°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3E66CC
RGB	rgb(62, 102, 204)
HSL	hsl(223, 58%, 52%)
HSV	hsv(223, 70%, 80%)
CMYK	cmyk(69.6%, 50%, 0%, 20%)
CIE-LAB	lab(45.48, 20.19, -57.11)
CIE-LCH	lch(45.48, 60.58, 289.47°)
OKLab	oklab(53.71% -0.0139 -0.164)
OKLCH	oklch(53.71% 0.165 265.2)
XYZ	xyz(17.6332, 14.8847, 59.0588)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66CC #CCA43E

analogous

#3EADCC #3E66CC #5D3ECC

triadic

#3E66CC #CC3E66 #66CC3E

tetradic

#3E66CC #CC3EAD #CCA43E #3ECC5D

square

#3E66CC #CC3EAD #CCA43E #3ECC5D

split-complementary

#3E66CC #CC5D3E #ADCC3E

monochromatic

#1E3672 #2B4CA2 #3E66CC #6E8CD9 #9FB3E6

Accessibility & contrast

On white

5.28

#3E66CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#3E66CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66CC

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66CC	#FFFFFF	#000000	##FFFFFF
##3E66CC	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A73D0

Deuteranopia (green-blind)

#0065CA

Tritanopia (blue-blind)

#007E8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3e66cc;
/* rgb */ color: rgb(62, 102, 204);
/* oklch */ color: oklch(53.7% 0.165 265.2);

Tailwind

colors: {
  custom: {
    50: '#8491dc',
    500: '#3e66cc',
    950: '#000000',
  },
}

SCSS

$custom: #3e66cc;
$custom-light: #8491dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66cc",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 204
  },
  "hsl": {
    "h": 223.099,
    "s": 58.197,
    "l": 52.157
  },
  "oklch": {
    "l": 0.5371,
    "c": 0.16457,
    "h": 265.2
  },
  "luminance": 0.14887
}

Semantic roles & 50–950 ramp

primary

#3E66CC

secondary

#D2C094

accent

#B646E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3E66CC

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

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