#3A66CD#3A66CD

#3A66CD is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.6% C 0.167 H 264.1°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3A66CD
RGB	rgb(58, 102, 205)
HSL	hsl(222, 60%, 52%)
HSV	hsv(222, 72%, 80%)
CMYK	cmyk(71.7%, 50.2%, 0%, 19.6%)
CIE-LAB	lab(45.37, 19.98, -57.87)
CIE-LCH	lch(45.37, 61.22, 289.05°)
OKLab	oklab(53.6% -0.017 -0.1663)
OKLCH	oklch(53.6% 0.167 264.1)
XYZ	xyz(17.5118, 14.8082, 59.6811)
Luminance	0.1481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A66CD #CDA13A

analogous

#3AB0CD #3A66CD #583ACD

triadic

#3A66CD #CD3A66 #66CD3A

tetradic

#3A66CD #CD3AB0 #CDA13A #3ACD58

square

#3A66CD #CD3AB0 #CDA13A #3ACD58

split-complementary

#3A66CD #CD583A #B0CD3A

monochromatic

#1C3670 #294DA1 #3A66CD #6B8CD9 #9CB2E6

Accessibility & contrast

On white

5.30

#3A66CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#3A66CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A66CD

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A66CD	#FFFFFF	#000000	##FFFFFF
##3A66CD	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2873D1

Deuteranopia (green-blind)

#0065CB

Tritanopia (blue-blind)

#007F90

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3a66cd;
/* rgb */ color: rgb(58, 102, 205);
/* oklch */ color: oklch(53.6% 0.167 264.1);

Tailwind

colors: {
  custom: {
    50: '#8291dd',
    500: '#3a66cd',
    950: '#000000',
  },
}

SCSS

$custom: #3a66cd;
$custom-light: #8291dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a66cd",
  "rgb": {
    "r": 58,
    "g": 102,
    "b": 205
  },
  "hsl": {
    "h": 222.041,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53604,
    "c": 0.16714,
    "h": 264.1
  },
  "luminance": 0.1481
}

Semantic roles & 50–950 ramp

primary

#3A66CD

secondary

#D2BE91

accent

#B445E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3A66CD

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

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