#39404F#39404F

#39404F is a dark, muted blue. Relative luminance 0.051; OKLCH L 37.1% C 0.028 H 265.4°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#39404F
RGB	rgb(57, 64, 79)
HSL	hsl(221, 16%, 27%)
HSV	hsv(221, 28%, 31%)
CMYK	cmyk(27.8%, 19%, 0%, 69%)
CIE-LAB	lab(27.02, 1.06, -10.01)
CIE-LCH	lch(27.02, 10.07, 276.02°)
OKLab	oklab(37.12% -0.0022 -0.0274)
OKLCH	oklch(37.12% 0.028 265.4)
XYZ	xyz(4.9316, 5.1010, 8.1204)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39404F #4F4839

analogous

#394B4F #39404F #3D394F

triadic

#39404F #4F3940 #404F39

tetradic

#39404F #4F394B #4F4839 #394F3D

square

#39404F #4F394B #4F4839 #394F3D

split-complementary

#39404F #4F3D39 #4B4F39

monochromatic

#0D0E12 #1F232B #39404F #535D73 #6D7A96

Accessibility & contrast

On white

10.40

#39404F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#39404F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39404F

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39404F	#FFFFFF	#000000	##FFFFFF
##39404F	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4150

Deuteranopia (green-blind)

#393F4F

Tritanopia (blue-blind)

#334345

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #39404f;
/* rgb */ color: rgb(57, 64, 79);
/* oklch */ color: oklch(37.1% 0.028 265.4);

Tailwind

colors: {
  custom: {
    50: '#707480',
    500: '#39404f',
    950: '#000000',
  },
}

SCSS

$custom: #39404f;
$custom-light: #707480;
$custom-dark: #000000;

JSON

{
  "hex": "#39404f",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 79
  },
  "hsl": {
    "h": 220.909,
    "s": 16.176,
    "l": 26.667
  },
  "oklch": {
    "l": 0.37119,
    "c": 0.0275,
    "h": 265.4
  },
  "luminance": 0.05101
}

Semantic roles & 50–950 ramp

primary

#39404F

secondary

#7F7765

accent

#A16FB9

background

#F6F7F7

surface

#ECEDEE

border

#C7C8C9

text

#07080A

muted

#7A7B7C

Preview Lab

Preview with #39404F

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

Preview Lab → · Contrast checker → · Palette generator →