#3F4E65#3F4E65

#3F4E65 is a dark, muted blue. Relative luminance 0.074; OKLCH L 42.1% C 0.043 H 258.8°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E65
RGB	rgb(63, 78, 101)
HSL	hsl(216, 23%, 32%)
HSV	hsv(216, 38%, 40%)
CMYK	cmyk(37.6%, 22.8%, 0%, 60.4%)
CIE-LAB	lab(32.80, 0.46, -15.27)
CIE-LCH	lch(32.80, 15.28, 271.72°)
OKLab	oklab(42.07% -0.0084 -0.0422)
OKLCH	oklch(42.07% 0.043 258.8)
XYZ	xyz(7.1225, 7.4448, 13.3711)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E65 #65563F

analogous

#3F6165 #3F4E65 #433F65

triadic

#3F4E65 #653F4E #4E653F

tetradic

#3F4E65 #653F61 #65563F #3F6543

square

#3F4E65 #653F61 #65563F #3F6543

split-complementary

#3F4E65 #65433F #61653F

monochromatic

#10141A #27313F #3F4E65 #576B8B #758AA9

Accessibility & contrast

On white

8.44

#3F4E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3F4E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E65

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E65	#FFFFFF	#000000	##FFFFFF
##3F4E65	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464F66

Deuteranopia (green-blind)

#424C64

Tritanopia (blue-blind)

#335356

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f4e65;
/* rgb */ color: rgb(63, 78, 101);
/* oklch */ color: oklch(42.1% 0.043 258.8);

Tailwind

colors: {
  custom: {
    50: '#757f91',
    500: '#3f4e65',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e65;
$custom-light: #757f91;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e65",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 101
  },
  "hsl": {
    "h": 216.316,
    "s": 23.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42069,
    "c": 0.04305,
    "h": 258.8
  },
  "luminance": 0.07445
}

Semantic roles & 50–950 ramp

primary

#3F4E65

secondary

#95846B

accent

#9D68C0

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#080A0C

muted

#7B7C7D

Preview Lab

Preview with #3F4E65

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

Preview Lab → · Contrast checker → · Palette generator →