#3F495C#3F495C

#3F495C is a dark, muted blue. Relative luminance 0.066; OKLCH L 40.4% C 0.035 H 263.1°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F495C
RGB	rgb(63, 73, 92)
HSL	hsl(219, 19%, 30%)
HSV	hsv(219, 32%, 36%)
CMYK	cmyk(31.5%, 20.7%, 0%, 63.9%)
CIE-LAB	lab(30.86, 1.03, -12.52)
CIE-LCH	lch(30.86, 12.56, 274.69°)
OKLab	oklab(40.43% -0.0041 -0.0344)
OKLCH	oklch(40.43% 0.035 263.1)
XYZ	xyz(6.3637, 6.5943, 11.0607)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F495C #5C523F

analogous

#3F575C #3F495C #433F5C

triadic

#3F495C #5C3F49 #495C3F

tetradic

#3F495C #5C3F57 #5C523F #3F5C43

square

#3F495C #5C3F57 #5C523F #3F5C43

split-complementary

#3F495C #5C433F #575C3F

monochromatic

#0D0F13 #262C38 #3F495C #586680 #7584A0

Accessibility & contrast

On white

9.06

#3F495C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3F495C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F495C

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F495C	#FFFFFF	#000000	##FFFFFF
##3F495C	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434A5D

Deuteranopia (green-blind)

#40475C

Tritanopia (blue-blind)

#374D4F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f495c;
/* rgb */ color: rgb(63, 73, 92);
/* oklch */ color: oklch(40.4% 0.035 263.1);

Tailwind

colors: {
  custom: {
    50: '#757b8a',
    500: '#3f495c',
    950: '#000000',
  },
}

SCSS

$custom: #3f495c;
$custom-light: #757b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f495c",
  "rgb": {
    "r": 63,
    "g": 73,
    "b": 92
  },
  "hsl": {
    "h": 219.31,
    "s": 18.71,
    "l": 30.392
  },
  "oklch": {
    "l": 0.40428,
    "c": 0.03467,
    "h": 263.1
  },
  "luminance": 0.06595
}

Semantic roles & 50–950 ramp

primary

#3F495C

secondary

#8C806B

accent

#A06CBB

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #3F495C

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

Preview Lab → · Contrast checker → · Palette generator →