#313A97#313A97

#313A97 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.151 H 273.3°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#313A97
RGB	rgb(49, 58, 151)
HSL	hsl(235, 51%, 39%)
HSV	hsv(235, 68%, 59%)
CMYK	cmyk(67.5%, 61.6%, 0%, 40.8%)
CIE-LAB	lab(29.19, 27.60, -52.19)
CIE-LCH	lch(29.19, 59.04, 297.88°)
OKLab	oklab(40.06% 0.0086 -0.1504)
OKLCH	oklch(40.06% 0.151 273.3)
XYZ	xyz(8.3637, 5.9127, 29.9727)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313A97 #978E31

analogous

#316D97 #313A97 #5B3197

triadic

#313A97 #97313A #3A9731

tetradic

#313A97 #97316D #978E31 #31975B

square

#313A97 #97316D #978E31 #31975B

split-complementary

#313A97 #975B31 #6D9731

monochromatic

#13173B #222869 #313A97 #434EC2 #717AD1

Accessibility & contrast

On white

9.62

#313A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#313A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313A97

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313A97	#FFFFFF	#000000	##FFFFFF
##313A97	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#004095

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #313a97;
/* rgb */ color: rgb(49, 58, 151);
/* oklch */ color: oklch(40.1% 0.151 273.3);

Tailwind

colors: {
  custom: {
    50: '#7670b6',
    500: '#313a97',
    950: '#000000',
  },
}

SCSS

$custom: #313a97;
$custom-light: #7670b6;
$custom-dark: #000000;

JSON

{
  "hex": "#313a97",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 151
  },
  "hsl": {
    "h": 234.706,
    "s": 51,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40056,
    "c": 0.15062,
    "h": 273.3
  },
  "luminance": 0.05913
}

Semantic roles & 50–950 ramp

primary

#313A97

secondary

#B9B26B

accent

#CE4DDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #313A97

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

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