#311A69#311A69

#311A69 is a dark, vivid violet. Relative luminance 0.024; OKLCH L 30.3% C 0.129 H 289.8°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#311A69
RGB	rgb(49, 26, 105)
HSL	hsl(257, 60%, 26%)
HSV	hsv(257, 75%, 41%)
CMYK	cmyk(53.3%, 75.2%, 0%, 58.8%)
CIE-LAB	lab(17.51, 32.11, -42.21)
CIE-LCH	lch(17.51, 53.03, 307.26°)
OKLab	oklab(30.31% 0.0436 -0.1212)
OKLCH	oklch(30.31% 0.129 289.8)
XYZ	xyz(4.1851, 2.4115, 13.6068)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A69 #52691A

analogous

#1A2B69 #311A69 #581A69

triadic

#311A69 #69311A #1A6931

tetradic

#311A69 #691A2B #52691A #1A6958

square

#311A69 #691A2B #52691A #1A6958

split-complementary

#311A69 #69581A #2B691A

monochromatic

#0B0619 #1A0E38 #311A69 #48269A #5F32CB

Accessibility & contrast

On white

14.17

#311A69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#311A69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A69

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A69	#FFFFFF	#000000	##FFFFFF
##311A69	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6B

Deuteranopia (green-blind)

#002967

Tritanopia (blue-blind)

#1D2F3F

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #311a69;
/* rgb */ color: rgb(49, 26, 105);
/* oklch */ color: oklch(30.3% 0.129 289.8);

Tailwind

colors: {
  custom: {
    50: '#705995',
    500: '#311a69',
    950: '#000000',
  },
}

SCSS

$custom: #311a69;
$custom-light: #705995;
$custom-dark: #000000;

JSON

{
  "hex": "#311a69",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 105
  },
  "hsl": {
    "h": 257.468,
    "s": 60.305,
    "l": 25.686
  },
  "oklch": {
    "l": 0.30308,
    "c": 0.1288,
    "h": 289.8
  },
  "luminance": 0.02412
}

Semantic roles & 50–950 ramp

primary

#311A69

secondary

#839E40

accent

#E344B5

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030D

muted

#7B787E

Preview Lab

Preview with #311A69

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

Preview Lab → · Contrast checker → · Palette generator →