#39404E#39404E

#39404E is a dark, muted blue. Relative luminance 0.051; OKLCH L 37.1% C 0.026 H 264.2°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#39404E
RGB	rgb(57, 64, 78)
HSL	hsl(220, 16%, 26%)
HSV	hsv(220, 27%, 31%)
CMYK	cmyk(26.9%, 17.9%, 0%, 69.4%)
CIE-LAB	lab(26.98, 0.77, -9.42)
CIE-LCH	lch(26.98, 9.45, 274.70°)
OKLab	oklab(37.07% -0.0026 -0.0257)
OKLCH	oklch(37.07% 0.026 264.2)
XYZ	xyz(4.8955, 5.0866, 7.9301)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39404E #4E4739

analogous

#394B4E #39404E #3D394E

triadic

#39404E #4E3940 #404E39

tetradic

#39404E #4E394B #4E4739 #394E3D

square

#39404E #4E394B #4E4739 #394E3D

split-complementary

#39404E #4E3D39 #4B4E39

monochromatic

#0D0F12 #1F232B #39404E #535D71 #6D7A94

Accessibility & contrast

On white

10.41

#39404E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#39404E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39404E

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39404E	#FFFFFF	#000000	##FFFFFF
##39404E	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C414F

Deuteranopia (green-blind)

#3A3F4E

Tritanopia (blue-blind)

#344345

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #39404e;
/* rgb */ color: rgb(57, 64, 78);
/* oklch */ color: oklch(37.1% 0.026 264.2);

Tailwind

colors: {
  custom: {
    50: '#6f747f',
    500: '#39404e',
    950: '#000000',
  },
}

SCSS

$custom: #39404e;
$custom-light: #6f747f;
$custom-dark: #000000;

JSON

{
  "hex": "#39404e",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 78
  },
  "hsl": {
    "h": 220,
    "s": 15.556,
    "l": 26.471
  },
  "oklch": {
    "l": 0.37073,
    "c": 0.02588,
    "h": 264.2
  },
  "luminance": 0.05087
}

Semantic roles & 50–950 ramp

primary

#39404E

secondary

#7E7665

accent

#A06FB8

background

#F6F7F7

surface

#ECEDEE

border

#C7C8C9

text

#07080A

muted

#7A7B7C

Preview Lab

Preview with #39404E

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

Preview Lab → · Contrast checker → · Palette generator →