#3F476A#3F476A

#3F476A is a dark, muted blue. Relative luminance 0.066; OKLCH L 40.7% C 0.060 H 273.6°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F476A
RGB	rgb(63, 71, 106)
HSL	hsl(229, 25%, 33%)
HSV	hsv(229, 41%, 42%)
CMYK	cmyk(40.6%, 33%, 0%, 58.4%)
CIE-LAB	lab(30.89, 6.52, -21.40)
CIE-LCH	lch(30.89, 22.37, 286.95°)
OKLab	oklab(40.66% 0.0038 -0.0597)
OKLCH	oklch(40.66% 0.06 273.6)
XYZ	xyz(6.9039, 6.6035, 14.5437)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F476A #6A623F

analogous

#3F5C6A #3F476A #4C3F6A

triadic

#3F476A #6A3F47 #476A3F

tetradic

#3F476A #6A3F5C #6A623F #3F6A4C

square

#3F476A #6A3F5C #6A623F #3F6A4C

split-complementary

#3F476A #6A4C3F #5C6A3F

monochromatic

#11141D #282D44 #3F476A #566190 #7680AE

Accessibility & contrast

On white

9.05

#3F476A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3F476A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F476A

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F476A	#FFFFFF	#000000	##FFFFFF
##3F476A	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4B6B

Deuteranopia (green-blind)

#384769

Tritanopia (blue-blind)

#324E54

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f476a;
/* rgb */ color: rgb(63, 71, 106);
/* oklch */ color: oklch(40.7% 0.060 273.6);

Tailwind

colors: {
  custom: {
    50: '#767a94',
    500: '#3f476a',
    950: '#000000',
  },
}

SCSS

$custom: #3f476a;
$custom-light: #767a94;
$custom-dark: #000000;

JSON

{
  "hex": "#3f476a",
  "rgb": {
    "r": 63,
    "g": 71,
    "b": 106
  },
  "hsl": {
    "h": 228.837,
    "s": 25.444,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40655,
    "c": 0.05987,
    "h": 273.6
  },
  "luminance": 0.06604
}

Semantic roles & 50–950 ramp

primary

#3F476A

secondary

#99906C

accent

#B166C2

background

#F7F7F9

surface

#EDEDF1

border

#C8C8CB

text

#08090D

muted

#7B7B7E

Preview Lab

Preview with #3F476A

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

Preview Lab → · Contrast checker → · Palette generator →