#313179#313179

#313179 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.8% C 0.120 H 278.5°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#313179
RGB	rgb(49, 49, 121)
HSL	hsl(240, 42%, 33%)
HSV	hsv(240, 60%, 47%)
CMYK	cmyk(59.5%, 59.5%, 0%, 52.5%)
CIE-LAB	lab(24.42, 22.81, -41.28)
CIE-LCH	lch(24.42, 47.16, 298.92°)
OKLab	oklab(35.76% 0.0176 -0.1184)
OKLCH	oklch(35.76% 0.12 278.5)
XYZ	xyz(5.8150, 4.2297, 18.5954)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313179 #797931

analogous

#315579 #313179 #553179

triadic

#313179 #793131 #317931

tetradic

#313179 #793155 #797931 #317955

square

#313179 #793155 #797931 #317955

split-complementary

#313179 #795531 #557931

monochromatic

#0E0E22 #1F1F4D #313179 #4343A5 #6464C0

Accessibility & contrast

On white

11.38

#313179 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#313179 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313179

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313179	#FFFFFF	#000000	##FFFFFF
##313179	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7B

Deuteranopia (green-blind)

#003778

Tritanopia (blue-blind)

#074250

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #313179;
/* rgb */ color: rgb(49, 49, 121);
/* oklch */ color: oklch(35.8% 0.120 278.5);

Tailwind

colors: {
  custom: {
    50: '#7169a0',
    500: '#313179',
    950: '#000000',
  },
}

SCSS

$custom: #313179;
$custom-light: #7169a0;
$custom-dark: #000000;

JSON

{
  "hex": "#313179",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 121
  },
  "hsl": {
    "h": 240,
    "s": 42.353,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3576,
    "c": 0.11971,
    "h": 278.5
  },
  "luminance": 0.0423
}

Semantic roles & 50–950 ramp

primary

#313179

secondary

#A8A85E

accent

#D256D2

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #313179

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

Preview Lab → · Contrast checker → · Palette generator →