#313783#313783

#313783 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.126 H 275.2°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#313783
RGB	rgb(49, 55, 131)
HSL	hsl(236, 46%, 35%)
HSV	hsv(236, 63%, 51%)
CMYK	cmyk(62.6%, 58%, 0%, 48.6%)
CIE-LAB	lab(26.80, 22.34, -43.71)
CIE-LCH	lch(26.80, 49.09, 297.08°)
OKLab	oklab(37.78% 0.0114 -0.1255)
OKLCH	oklch(37.78% 0.126 275.2)
XYZ	xyz(6.7282, 5.0235, 22.0834)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313783 #837D31

analogous

#316083 #313783 #543183

triadic

#313783 #833137 #378331

tetradic

#313783 #833160 #837D31 #318354

square

#313783 #833160 #837D31 #318354

split-complementary

#313783 #835431 #608331

monochromatic

#10122A #202456 #313783 #424AB0 #686FC6

Accessibility & contrast

On white

10.47

#313783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#313783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313783

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313783	#FFFFFF	#000000	##FFFFFF
##313783	1.00	10.47	2.00	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004386

Deuteranopia (green-blind)

#003C81

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313783;
/* rgb */ color: rgb(49, 55, 131);
/* oklch */ color: oklch(37.8% 0.126 275.2);

Tailwind

colors: {
  custom: {
    50: '#726da8',
    500: '#313783',
    950: '#000000',
  },
}

SCSS

$custom: #313783;
$custom-light: #726da8;
$custom-dark: #000000;

JSON

{
  "hex": "#313783",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 131
  },
  "hsl": {
    "h": 235.61,
    "s": 45.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37779,
    "c": 0.12602,
    "h": 275.2
  },
  "luminance": 0.05024
}

Semantic roles & 50–950 ramp

primary

#313783

secondary

#AEA862

accent

#CC53D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #313783

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

Preview Lab → · Contrast checker → · Palette generator →