#313584#313584

#313584 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.130 H 275.9°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#313584
RGB	rgb(49, 53, 132)
HSL	hsl(237, 46%, 35%)
HSV	hsv(237, 63%, 52%)
CMYK	cmyk(62.9%, 59.8%, 0%, 48.2%)
CIE-LAB	lab(26.35, 24.05, -45.08)
CIE-LCH	lch(26.35, 51.09, 298.09°)
OKLab	oklab(37.46% 0.0135 -0.1295)
OKLCH	oklch(37.46% 0.13 275.9)
XYZ	xyz(6.7032, 4.8646, 22.4110)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313584 #848031

analogous

#315F84 #313584 #563184

triadic

#313584 #843135 #358431

tetradic

#313584 #84315F #848031 #318456

square

#313584 #84315F #848031 #318456

split-complementary

#313584 #845631 #5F8431

monochromatic

#10112B #202357 #313584 #4247B1 #686DC7

Accessibility & contrast

On white

10.64

#313584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#313584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313584

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313584	#FFFFFF	#000000	##FFFFFF
##313584	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004287

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #313584;
/* rgb */ color: rgb(49, 53, 132);
/* oklch */ color: oklch(37.5% 0.130 275.9);

Tailwind

colors: {
  custom: {
    50: '#726ca8',
    500: '#313584',
    950: '#000000',
  },
}

SCSS

$custom: #313584;
$custom-light: #726ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#313584",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 132
  },
  "hsl": {
    "h": 237.108,
    "s": 45.856,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37465,
    "c": 0.13023,
    "h": 275.9
  },
  "luminance": 0.04865
}

Semantic roles & 50–950 ramp

primary

#313584

secondary

#AEAB62

accent

#CF52D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #313584

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

Preview Lab → · Contrast checker → · Palette generator →