#313299#313299

#313299 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.8% C 0.163 H 275.2°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#313299
RGB	rgb(49, 50, 153)
HSL	hsl(239, 51%, 40%)
HSV	hsv(239, 68%, 60%)
CMYK	cmyk(68%, 67.3%, 0%, 40%)
CIE-LAB	lab(27.39, 33.51, -56.35)
CIE-LCH	lch(27.39, 65.56, 300.73°)
OKLab	oklab(38.79% 0.0149 -0.1627)
OKLCH	oklch(38.79% 0.163 275.2)
XYZ	xyz(8.1551, 5.2334, 30.7112)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313299 #999831

analogous

#316699 #313299 #643199

triadic

#313299 #993132 #329931

tetradic

#313299 #993166 #999831 #319964

square

#313299 #993166 #999831 #319964

split-complementary

#313299 #996431 #669931

monochromatic

#13143C #22236B #313299 #4445C3 #7273D2

Accessibility & contrast

On white

10.26

#313299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#313299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313299

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313299	#FFFFFF	#000000	##FFFFFF
##313299	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003C97

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #313299;
/* rgb */ color: rgb(49, 50, 153);
/* oklch */ color: oklch(38.8% 0.163 275.2);

Tailwind

colors: {
  custom: {
    50: '#776ab8',
    500: '#313299',
    950: '#000000',
  },
}

SCSS

$custom: #313299;
$custom-light: #776ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#313299",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 153
  },
  "hsl": {
    "h": 239.423,
    "s": 51.485,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38789,
    "c": 0.16334,
    "h": 275.2
  },
  "luminance": 0.05234
}

Semantic roles & 50–950 ramp

primary

#313299

secondary

#BAB96C

accent

#DA4DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #313299

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

Preview Lab → · Contrast checker → · Palette generator →