#313291#313291

#313291 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.153 H 275.9°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#313291
RGB	rgb(49, 50, 145)
HSL	hsl(239, 49%, 38%)
HSV	hsv(239, 66%, 57%)
CMYK	cmyk(66.2%, 65.5%, 0%, 43.1%)
CIE-LAB	lab(26.67, 30.69, -52.62)
CIE-LCH	lch(26.67, 60.91, 300.25°)
OKLab	oklab(38.05% 0.0157 -0.1517)
OKLCH	oklch(38.05% 0.153 275.9)
XYZ	xyz(7.5164, 4.9779, 27.3473)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313291 #919031

analogous

#316291 #313291 #603191

triadic

#313291 #913132 #329131

tetradic

#313291 #913162 #919031 #319160

square

#313291 #913162 #919031 #319160

split-complementary

#313291 #916031 #629131

monochromatic

#121236 #222263 #313291 #4142BF #6E6FCE

Accessibility & contrast

On white

10.52

#313291 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#313291 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313291

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313291	#FFFFFF	#000000	##FFFFFF
##313291	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004394

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004A5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313291;
/* rgb */ color: rgb(49, 50, 145);
/* oklch */ color: oklch(38.0% 0.153 275.9);

Tailwind

colors: {
  custom: {
    50: '#756ab2',
    500: '#313291',
    950: '#000000',
  },
}

SCSS

$custom: #313291;
$custom-light: #756ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#313291",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 145
  },
  "hsl": {
    "h": 239.375,
    "s": 49.485,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38045,
    "c": 0.15251,
    "h": 275.9
  },
  "luminance": 0.04979
}

Semantic roles & 50–950 ramp

primary

#313291

secondary

#B6B568

accent

#D84FD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #313291

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

Preview Lab → · Contrast checker → · Palette generator →