#3866AE#3866AE

#3866AE is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.4% C 0.125 H 259.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#3866AE
RGB	rgb(56, 102, 174)
HSL	hsl(217, 51%, 45%)
HSV	hsv(217, 68%, 68%)
CMYK	cmyk(67.8%, 41.4%, 0%, 31.8%)
CIE-LAB	lab(43.36, 8.33, -43.11)
CIE-LCH	lch(43.36, 43.91, 280.94°)
OKLab	oklab(51.41% -0.0238 -0.1229)
OKLCH	oklch(51.41% 0.125 259.1)
XYZ	xyz(14.0195, 13.3981, 41.8834)
Luminance	0.1340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3866AE #AE8038

analogous

#38A1AE #3866AE #4538AE

triadic

#3866AE #AE3866 #66AE38

tetradic

#3866AE #AE38A1 #AE8038 #38AE45

square

#3866AE #AE38A1 #AE8038 #38AE45

split-complementary

#3866AE #AE4538 #A1AE38

monochromatic

#1A3051 #294B80 #3866AE #5985CA #88A7D9

Accessibility & contrast

On white

5.71

#3866AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#3866AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3866AE

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3866AE	#FFFFFF	#000000	##FFFFFF
##3866AE	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456CB1

Deuteranopia (green-blind)

#3261AD

Tritanopia (blue-blind)

#007781

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3866ae;
/* rgb */ color: rgb(56, 102, 174);
/* oklch */ color: oklch(51.4% 0.125 259.1);

Tailwind

colors: {
  custom: {
    50: '#7c91c6',
    500: '#3866ae',
    950: '#000000',
  },
}

SCSS

$custom: #3866ae;
$custom-light: #7c91c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3866ae",
  "rgb": {
    "r": 56,
    "g": 102,
    "b": 174
  },
  "hsl": {
    "h": 216.61,
    "s": 51.304,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51413,
    "c": 0.12521,
    "h": 259.1
  },
  "luminance": 0.13399
}

Semantic roles & 50–950 ramp

primary

#3866AE

secondary

#C3A87F

accent

#A44DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3866AE

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

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