#3F446C#3F446C

#3F446C is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.1% C 0.068 H 277.5°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F446C
RGB	rgb(63, 68, 108)
HSL	hsl(233, 26%, 34%)
HSV	hsv(233, 42%, 42%)
CMYK	cmyk(41.7%, 37%, 0%, 57.6%)
CIE-LAB	lab(30.09, 9.13, -23.91)
CIE-LCH	lch(30.09, 25.59, 290.90°)
OKLab	oklab(40.07% 0.0088 -0.067)
OKLCH	oklch(40.07% 0.068 277.5)
XYZ	xyz(6.8230, 6.2734, 15.0358)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F446C #6C673F

analogous

#3F5A6C #3F446C #503F6C

triadic

#3F446C #6C3F44 #446C3F

tetradic

#3F446C #6C3F5A #6C673F #3F6C50

square

#3F446C #6C3F5A #6C673F #3F6C50

split-complementary

#3F446C #6C503F #5A6C3F

monochromatic

#12131F #282C45 #3F446C #565C93 #767DAF

Accessibility & contrast

On white

9.31

#3F446C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3F446C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F446C

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F446C	#FFFFFF	#000000	##FFFFFF
##3F446C	1.00	9.31	2.25	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37496E

Deuteranopia (green-blind)

#34456B

Tritanopia (blue-blind)

#314C53

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f446c;
/* rgb */ color: rgb(63, 68, 108);
/* oklch */ color: oklch(40.1% 0.068 277.5);

Tailwind

colors: {
  custom: {
    50: '#767796',
    500: '#3f446c',
    950: '#000000',
  },
}

SCSS

$custom: #3f446c;
$custom-light: #767796;
$custom-dark: #000000;

JSON

{
  "hex": "#3f446c",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 108
  },
  "hsl": {
    "h": 233.333,
    "s": 26.316,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40074,
    "c": 0.06758,
    "h": 277.5
  },
  "luminance": 0.06274
}

Semantic roles & 50–950 ramp

primary

#3F446C

secondary

#9A956D

accent

#B865C3

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#08080D

muted

#7B7B7E

Preview Lab

Preview with #3F446C

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

Preview Lab → · Contrast checker → · Palette generator →