#3F569E#3F569E

#3F569E is a mid, moderate blue. Relative luminance 0.102; OKLCH L 47.2% C 0.120 H 268.3°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F569E
RGB	rgb(63, 86, 158)
HSL	hsl(225, 43%, 43%)
HSV	hsv(225, 60%, 62%)
CMYK	cmyk(60.1%, 45.6%, 0%, 38%)
CIE-LAB	lab(38.16, 14.17, -41.90)
CIE-LCH	lch(38.16, 44.23, 288.69°)
OKLab	oklab(47.2% -0.0036 -0.1194)
OKLCH	oklch(47.2% 0.12 268.3)
XYZ	xyz(11.5472, 10.1800, 33.6976)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F569E #9E873F

analogous

#3F859E #3F569E #583F9E

triadic

#3F569E #9E3F56 #569E3F

tetradic

#3F569E #9E3F85 #9E873F #3F9E58

square

#3F569E #9E3F85 #9E873F #3F9E58

split-complementary

#3F569E #9E583F #859E3F

monochromatic

#1C2646 #2E3E72 #3F569E #5C74BE #8899D0

Accessibility & contrast

On white

6.92

#3F569E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3F569E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F569E

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F569E	#FFFFFF	#000000	##FFFFFF
##3F569E	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355EA1

Deuteranopia (green-blind)

#27569C

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f569e;
/* rgb */ color: rgb(63, 86, 158);
/* oklch */ color: oklch(47.2% 0.120 268.3);

Tailwind

colors: {
  custom: {
    50: '#7c85bb',
    500: '#3f569e',
    950: '#000000',
  },
}

SCSS

$custom: #3f569e;
$custom-light: #7c85bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f569e",
  "rgb": {
    "r": 63,
    "g": 86,
    "b": 158
  },
  "hsl": {
    "h": 225.474,
    "s": 42.986,
    "l": 43.333
  },
  "oklch": {
    "l": 0.472,
    "c": 0.11951,
    "h": 268.3
  },
  "luminance": 0.10181
}

Semantic roles & 50–950 ramp

primary

#3F569E

secondary

#BAAC7F

accent

#B455D3

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3F569E

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

Preview Lab → · Contrast checker → · Palette generator →