#313673#313673

#313673 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.3% C 0.103 H 276.4°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#313673
RGB	rgb(49, 54, 115)
HSL	hsl(235, 40%, 32%)
HSV	hsv(235, 57%, 45%)
CMYK	cmyk(57.4%, 53%, 0%, 54.9%)
CIE-LAB	lab(25.35, 17.25, -35.96)
CIE-LCH	lch(25.35, 39.89, 295.63°)
OKLab	oklab(36.31% 0.0116 -0.1027)
OKLCH	oklch(36.31% 0.103 276.4)
XYZ	xyz(5.6793, 4.5287, 16.7912)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313673 #736E31

analogous

#315773 #313673 #4D3173

triadic

#313673 #733136 #367331

tetradic

#313673 #733157 #736E31 #31734D

square

#313673 #733157 #736E31 #31734D

split-complementary

#313673 #734D31 #577331

monochromatic

#0C0E1D #1F2248 #313673 #434A9E #6269BC

Accessibility & contrast

On white

11.02

#313673 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#313673 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313673

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313673	#FFFFFF	#000000	##FFFFFF
##313673	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173F75

Deuteranopia (green-blind)

#0D3972

Tritanopia (blue-blind)

#10444F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #313673;
/* rgb */ color: rgb(49, 54, 115);
/* oklch */ color: oklch(36.3% 0.103 276.4);

Tailwind

colors: {
  custom: {
    50: '#6f6c9c',
    500: '#313673',
    950: '#000000',
  },
}

SCSS

$custom: #313673;
$custom-light: #6f6c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#313673",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 115
  },
  "hsl": {
    "h": 235.455,
    "s": 40.244,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36314,
    "c": 0.10336,
    "h": 276.4
  },
  "luminance": 0.04529
}

Semantic roles & 50–950 ramp

primary

#313673

secondary

#A49E5C

accent

#C758D0

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #313673

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

Preview Lab → · Contrast checker → · Palette generator →