#3865AF#3865AF

#3865AF is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.3% C 0.128 H 259.8°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3865AF
RGB	rgb(56, 101, 175)
HSL	hsl(217, 52%, 45%)
HSV	hsv(217, 68%, 69%)
CMYK	cmyk(68%, 42.3%, 0%, 31.4%)
CIE-LAB	lab(43.13, 9.33, -44.07)
CIE-LCH	lch(43.13, 45.05, 281.95°)
OKLab	oklab(51.25% -0.0226 -0.1257)
OKLCH	oklch(51.25% 0.128 259.8)
XYZ	xyz(14.0197, 13.2419, 42.3662)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3865AF #AF8238

analogous

#38A0AF #3865AF #4738AF

triadic

#3865AF #AF3865 #65AF38

tetradic

#3865AF #AF38A0 #AF8238 #38AF47

square

#3865AF #AF38A0 #AF8238 #38AF47

split-complementary

#3865AF #AF4738 #A0AF38

monochromatic

#1A2F52 #294A81 #3865AF #5A84CA #88A7D9

Accessibility & contrast

On white

5.76

#3865AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3865AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3865AF

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3865AF	#FFFFFF	#000000	##FFFFFF
##3865AF	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426CB2

Deuteranopia (green-blind)

#2F61AD

Tritanopia (blue-blind)

#007681

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3865af;
/* rgb */ color: rgb(56, 101, 175);
/* oklch */ color: oklch(51.3% 0.128 259.8);

Tailwind

colors: {
  custom: {
    50: '#7c90c7',
    500: '#3865af',
    950: '#000000',
  },
}

SCSS

$custom: #3865af;
$custom-light: #7c90c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3865af",
  "rgb": {
    "r": 56,
    "g": 101,
    "b": 175
  },
  "hsl": {
    "h": 217.311,
    "s": 51.515,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51253,
    "c": 0.12776,
    "h": 259.8
  },
  "luminance": 0.13243
}

Semantic roles & 50–950 ramp

primary

#3865AF

secondary

#C3AA80

accent

#A54DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3865AF

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

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