#3F4E69#3F4E69

#3F4E69 is a dark, muted blue. Relative luminance 0.075; OKLCH L 42.3% C 0.049 H 261.9°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E69
RGB	rgb(63, 78, 105)
HSL	hsl(219, 25%, 33%)
HSV	hsv(219, 40%, 41%)
CMYK	cmyk(40%, 25.7%, 0%, 58.8%)
CIE-LAB	lab(32.97, 1.67, -17.53)
CIE-LCH	lch(32.97, 17.61, 275.44°)
OKLab	oklab(42.26% -0.0069 -0.0486)
OKLCH	oklch(42.26% 0.049 261.9)
XYZ	xyz(7.3233, 7.5251, 14.4285)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E69 #695A3F

analogous

#3F6369 #3F4E69 #453F69

triadic

#3F4E69 #693F4E #4E693F

tetradic

#3F4E69 #693F63 #695A3F #3F6945

square

#3F4E69 #693F63 #695A3F #3F6945

split-complementary

#3F4E69 #69453F #63693F

monochromatic

#11151C #283243 #3F4E69 #566A8F #7689AD

Accessibility & contrast

On white

8.38

#3F4E69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3F4E69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E69

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E69	#FFFFFF	#000000	##FFFFFF
##3F4E69	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45506A

Deuteranopia (green-blind)

#404C68

Tritanopia (blue-blind)

#325457

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f4e69;
/* rgb */ color: rgb(63, 78, 105);
/* oklch */ color: oklch(42.3% 0.049 261.9);

Tailwind

colors: {
  custom: {
    50: '#767f94',
    500: '#3f4e69',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e69;
$custom-light: #767f94;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e69",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 105
  },
  "hsl": {
    "h": 218.571,
    "s": 25,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42263,
    "c": 0.04914,
    "h": 261.9
  },
  "luminance": 0.07525
}

Semantic roles & 50–950 ramp

primary

#3F4E69

secondary

#98886C

accent

#A166C1

background

#F7F7F9

surface

#EDEEF1

border

#C8C9CB

text

#080A0D

muted

#7B7C7E

Preview Lab

Preview with #3F4E69

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

Preview Lab → · Contrast checker → · Palette generator →