#313390#313390

#313390 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.1% C 0.150 H 275.7°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#313390
RGB	rgb(49, 51, 144)
HSL	hsl(239, 49%, 38%)
HSV	hsv(239, 66%, 56%)
CMYK	cmyk(66%, 64.6%, 0%, 43.5%)
CIE-LAB	lab(26.83, 29.68, -51.74)
CIE-LCH	lch(26.83, 59.65, 299.84°)
OKLab	oklab(38.13% 0.0149 -0.1491)
OKLCH	oklch(38.13% 0.15 275.7)
XYZ	xyz(7.4828, 5.0336, 26.9574)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313390 #908E31

analogous

#316290 #313390 #5E3190

triadic

#313390 #903133 #339031

tetradic

#313390 #903162 #908E31 #31905E

square

#313390 #903162 #908E31 #31905E

split-complementary

#313390 #905E31 #629031

monochromatic

#121335 #212362 #313390 #4143BE #6E70CE

Accessibility & contrast

On white

10.46

#313390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#313390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313390

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313390	#FFFFFF	#000000	##FFFFFF
##313390	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004493

Deuteranopia (green-blind)

#003B8E

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313390;
/* rgb */ color: rgb(49, 51, 144);
/* oklch */ color: oklch(38.1% 0.150 275.7);

Tailwind

colors: {
  custom: {
    50: '#756bb1',
    500: '#313390',
    950: '#000000',
  },
}

SCSS

$custom: #313390;
$custom-light: #756bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#313390",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 144
  },
  "hsl": {
    "h": 238.737,
    "s": 49.223,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38134,
    "c": 0.14986,
    "h": 275.7
  },
  "luminance": 0.05034
}

Semantic roles & 50–950 ramp

primary

#313390

secondary

#B5B468

accent

#D64FD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #313390

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

Preview Lab → · Contrast checker → · Palette generator →