#313997#313997

#313997 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.152 H 273.6°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#313997
RGB	rgb(49, 57, 151)
HSL	hsl(235, 51%, 39%)
HSV	hsv(235, 68%, 59%)
CMYK	cmyk(67.5%, 62.3%, 0%, 40.8%)
CIE-LAB	lab(28.94, 28.26, -52.60)
CIE-LCH	lch(28.94, 59.72, 298.25°)
OKLab	oklab(39.87% 0.0094 -0.1516)
OKLCH	oklch(39.87% 0.152 273.6)
XYZ	xyz(8.3138, 5.8128, 29.9560)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313997 #978F31

analogous

#316C97 #313997 #5C3197

triadic

#313997 #973139 #399731

tetradic

#313997 #97316C #978F31 #31975C

square

#313997 #97316C #978F31 #31975C

split-complementary

#313997 #975C31 #6C9731

monochromatic

#13163B #222869 #313997 #434DC2 #7179D1

Accessibility & contrast

On white

9.71

#313997 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#313997 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313997

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313997	#FFFFFF	#000000	##FFFFFF
##313997	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#004095

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #313997;
/* rgb */ color: rgb(49, 57, 151);
/* oklch */ color: oklch(39.9% 0.152 273.6);

Tailwind

colors: {
  custom: {
    50: '#766fb6',
    500: '#313997',
    950: '#000000',
  },
}

SCSS

$custom: #313997;
$custom-light: #766fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#313997",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 151
  },
  "hsl": {
    "h": 235.294,
    "s": 51,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39867,
    "c": 0.15191,
    "h": 273.6
  },
  "luminance": 0.05814
}

Semantic roles & 50–950 ramp

primary

#313997

secondary

#B9B36B

accent

#CF4DDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #313997

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

Preview Lab → · Contrast checker → · Palette generator →