#313386#313386

#313386 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.2% C 0.136 H 276.5°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#313386
RGB	rgb(49, 51, 134)
HSL	hsl(239, 46%, 36%)
HSV	hsv(239, 63%, 53%)
CMYK	cmyk(63.4%, 61.9%, 0%, 47.5%)
CIE-LAB	lab(25.98, 26.11, -46.91)
CIE-LCH	lch(25.98, 53.69, 299.10°)
OKLab	oklab(37.25% 0.0154 -0.1349)
OKLCH	oklch(37.25% 0.136 276.5)
XYZ	xyz(6.7521, 4.7413, 23.1090)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313386 #868431

analogous

#315D86 #313386 #593186

triadic

#313386 #863133 #338631

tetradic

#313386 #86315D #868431 #318659

square

#313386 #86315D #868431 #318659

split-complementary

#313386 #865931 #5D8631

monochromatic

#10112C #212259 #313386 #4144B3 #696BC8

Accessibility & contrast

On white

10.78

#313386 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#313386 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313386

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313386	#FFFFFF	#000000	##FFFFFF
##313386	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004189

Deuteranopia (green-blind)

#003A84

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #313386;
/* rgb */ color: rgb(49, 51, 134);
/* oklch */ color: oklch(37.2% 0.136 276.5);

Tailwind

colors: {
  custom: {
    50: '#736aaa',
    500: '#313386',
    950: '#000000',
  },
}

SCSS

$custom: #313386;
$custom-light: #736aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#313386",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 134
  },
  "hsl": {
    "h": 238.588,
    "s": 46.448,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37249,
    "c": 0.13582,
    "h": 276.5
  },
  "luminance": 0.04742
}

Semantic roles & 50–950 ramp

primary

#313386

secondary

#B0AE63

accent

#D352D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313386

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

Preview Lab → · Contrast checker → · Palette generator →