#313347#313347

#313347 is a dark, muted blue. Relative luminance 0.035; OKLCH L 32.8% C 0.035 H 279.8°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#313347
RGB	rgb(49, 51, 71)
HSL	hsl(235, 18%, 24%)
HSV	hsv(235, 31%, 28%)
CMYK	cmyk(31%, 28.2%, 0%, 72.2%)
CIE-LAB	lab(21.86, 4.55, -12.66)
CIE-LCH	lch(21.86, 13.46, 289.77°)
OKLab	oklab(32.8% 0.006 -0.0349)
OKLCH	oklch(32.8% 0.035 279.8)
XYZ	xyz(3.5875, 3.4755, 6.4418)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313347 #474531

analogous

#313E47 #313347 #3A3147

triadic

#313347 #473133 #334731

tetradic

#313347 #47313E #474531 #31473A

square

#313347 #47313E #474531 #31473A

split-complementary

#313347 #473A31 #3E4731

monochromatic

#0C0D12 #181923 #313347 #4A4D6B #63678F

Accessibility & contrast

On white

12.39

#313347 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#313347 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313347

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313347	#FFFFFF	#000000	##FFFFFF
##313347	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3548

Deuteranopia (green-blind)

#2C3446

Tritanopia (blue-blind)

#2C373A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #313347;
/* rgb */ color: rgb(49, 51, 71);
/* oklch */ color: oklch(32.8% 0.035 279.8);

Tailwind

colors: {
  custom: {
    50: '#696a7a',
    500: '#313347',
    950: '#000000',
  },
}

SCSS

$custom: #313347;
$custom-light: #696a7a;
$custom-dark: #000000;

JSON

{
  "hex": "#313347",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 71
  },
  "hsl": {
    "h": 234.545,
    "s": 18.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.32802,
    "c": 0.03547,
    "h": 279.8
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#313347

secondary

#77755C

accent

#B46DBB

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060609

muted

#7A7A7B

Preview Lab

Preview with #313347

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

Preview Lab → · Contrast checker → · Palette generator →