#31343F#31343F

#31343F is a dark, near-neutral blue. Relative luminance 0.035; OKLCH L 32.7% C 0.020 H 273.3°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#31343F
RGB	rgb(49, 52, 63)
HSL	hsl(227, 13%, 22%)
HSV	hsv(227, 22%, 25%)
CMYK	cmyk(22.2%, 17.5%, 0%, 75.3%)
CIE-LAB	lab(21.83, 1.56, -7.31)
CIE-LCH	lch(21.83, 7.47, 282.06°)
OKLab	oklab(32.66% 0.0011 -0.0199)
OKLCH	oklch(32.66% 0.02 273.3)
XYZ	xyz(3.3916, 3.4678, 5.1923)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31343F #3F3C31

analogous

#313B3F #31343F #35313F

triadic

#31343F #3F3134 #343F31

tetradic

#31343F #3F313B #3F3C31 #313F35

square

#31343F #3F313B #3F3C31 #313F35

split-complementary

#31343F #3F3531 #3B3F31

monochromatic

#0D0E11 #16181D #31343F #4C5061 #676D84

Accessibility & contrast

On white

12.40

#31343F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#31343F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31343F

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31343F	#FFFFFF	#000000	##FFFFFF
##31343F	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313540

Deuteranopia (green-blind)

#30343F

Tritanopia (blue-blind)

#2E3638

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #31343f;
/* rgb */ color: rgb(49, 52, 63);
/* oklch */ color: oklch(32.7% 0.020 273.3);

Tailwind

colors: {
  custom: {
    50: '#696b74',
    500: '#31343f',
    950: '#000000',
  },
}

SCSS

$custom: #31343f;
$custom-light: #696b74;
$custom-dark: #000000;

JSON

{
  "hex": "#31343f",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 63
  },
  "hsl": {
    "h": 227.143,
    "s": 12.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.32664,
    "c": 0.01992,
    "h": 273.3
  },
  "luminance": 0.03468
}

Semantic roles & 50–950 ramp

primary

#31343F

secondary

#6F6B5D

accent

#A772B5

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060608

muted

#7A7A7B

Preview Lab

Preview with #31343F

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

Preview Lab → · Contrast checker → · Palette generator →