#313951#313951

#313951 is a dark, muted blue. Relative luminance 0.042; OKLCH L 34.8% C 0.043 H 269.9°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#313951
RGB	rgb(49, 57, 81)
HSL	hsl(225, 25%, 25%)
HSV	hsv(225, 40%, 32%)
CMYK	cmyk(39.5%, 29.6%, 0%, 68.2%)
CIE-LAB	lab(24.24, 3.54, -15.66)
CIE-LCH	lch(24.24, 16.05, 282.75°)
OKLab	oklab(34.81% -0.0001 -0.0435)
OKLCH	oklch(34.81% 0.044 269.9)
XYZ	xyz(4.2145, 4.1731, 8.3664)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313951 #514931

analogous

#314951 #313951 #393151

triadic

#313951 #513139 #395131

tetradic

#313951 #513149 #514931 #315139

square

#313951 #513149 #514931 #315139

split-complementary

#313951 #513931 #495131

monochromatic

#0C0D13 #1A1E2B #313951 #485477 #5F6F9D

Accessibility & contrast

On white

11.45

#313951 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#313951 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313951

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313951	#FFFFFF	#000000	##FFFFFF
##313951	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313B52

Deuteranopia (green-blind)

#2E3850

Tritanopia (blue-blind)

#273E41

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #313951;
/* rgb */ color: rgb(49, 57, 81);
/* oklch */ color: oklch(34.8% 0.043 269.9);

Tailwind

colors: {
  custom: {
    50: '#6a6f82',
    500: '#313951',
    950: '#000000',
  },
}

SCSS

$custom: #313951;
$custom-light: #6a6f82;
$custom-dark: #000000;

JSON

{
  "hex": "#313951",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 81
  },
  "hsl": {
    "h": 225,
    "s": 24.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34808,
    "c": 0.0435,
    "h": 269.9
  },
  "luminance": 0.04173
}

Semantic roles & 50–950 ramp

primary

#313951

secondary

#82785C

accent

#AA67C1

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#06070A

muted

#7A7A7C

Preview Lab

Preview with #313951

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

Preview Lab → · Contrast checker → · Palette generator →