#313398#313398

#313398 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.9% C 0.161 H 275.1°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#313398
RGB	rgb(49, 51, 152)
HSL	hsl(239, 51%, 39%)
HSV	hsv(239, 68%, 60%)
CMYK	cmyk(67.8%, 66.4%, 0%, 40.4%)
CIE-LAB	lab(27.54, 32.52, -55.50)
CIE-LCH	lch(27.54, 64.32, 300.37°)
OKLab	oklab(38.87% 0.0143 -0.1601)
OKLCH	oklch(38.87% 0.161 275.1)
XYZ	xyz(8.1161, 5.2869, 30.2924)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313398 #989631

analogous

#316798 #313398 #633198

triadic

#313398 #983133 #339831

tetradic

#313398 #983167 #989631 #319863

square

#313398 #983167 #989631 #319863

split-complementary

#313398 #986331 #679831

monochromatic

#13143B #22236A #313398 #4446C3 #7274D2

Accessibility & contrast

On white

10.21

#313398 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#313398 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313398

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313398	#FFFFFF	#000000	##FFFFFF
##313398	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469B

Deuteranopia (green-blind)

#003C96

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #313398;
/* rgb */ color: rgb(49, 51, 152);
/* oklch */ color: oklch(38.9% 0.161 275.1);

Tailwind

colors: {
  custom: {
    50: '#776bb7',
    500: '#313398',
    950: '#000000',
  },
}

SCSS

$custom: #313398;
$custom-light: #776bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#313398",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 152
  },
  "hsl": {
    "h": 238.835,
    "s": 51.244,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38869,
    "c": 0.16078,
    "h": 275.1
  },
  "luminance": 0.05288
}

Semantic roles & 50–950 ramp

primary

#313398

secondary

#B9B86B

accent

#D84DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #313398

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

Preview Lab → · Contrast checker → · Palette generator →