#311A6E#311A6E

#311A6E is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.8% C 0.135 H 288.3°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#311A6E
RGB	rgb(49, 26, 110)
HSL	hsl(256, 62%, 27%)
HSV	hsv(256, 76%, 43%)
CMYK	cmyk(55.5%, 76.4%, 0%, 56.9%)
CIE-LAB	lab(18.00, 33.67, -44.68)
CIE-LCH	lch(18.00, 55.94, 307.00°)
OKLab	oklab(30.8% 0.0424 -0.1284)
OKLCH	oklch(30.8% 0.135 288.3)
XYZ	xyz(4.4497, 2.5173, 15.0003)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A6E #576E1A

analogous

#1A2D6E #311A6E #5B1A6E

triadic

#311A6E #6E311A #1A6E31

tetradic

#311A6E #6E1A2D #576E1A #1A6E5B

square

#311A6E #6E1A2D #576E1A #1A6E5B

split-complementary

#311A6E #6E5B1A #2D6E1A

monochromatic

#0B0619 #1B0E3D #311A6E #4726A0 #5E34CF

Accessibility & contrast

On white

13.97

#311A6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#311A6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A6E

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A6E	#FFFFFF	#000000	##FFFFFF
##311A6E	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E70

Deuteranopia (green-blind)

#002A6C

Tritanopia (blue-blind)

#193142

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #311a6e;
/* rgb */ color: rgb(49, 26, 110);
/* oklch */ color: oklch(30.8% 0.135 288.3);

Tailwind

colors: {
  custom: {
    50: '#705998',
    500: '#311a6e',
    950: '#000000',
  },
}

SCSS

$custom: #311a6e;
$custom-light: #705998;
$custom-dark: #000000;

JSON

{
  "hex": "#311a6e",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 110
  },
  "hsl": {
    "h": 256.429,
    "s": 61.765,
    "l": 26.667
  },
  "oklch": {
    "l": 0.30799,
    "c": 0.13525,
    "h": 288.3
  },
  "luminance": 0.02518
}

Semantic roles & 50–950 ramp

primary

#311A6E

secondary

#88A341

accent

#E543B9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030E

muted

#7B787E

Preview Lab

Preview with #311A6E

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

Preview Lab → · Contrast checker → · Palette generator →