#311A68#311A68

#311A68 is a dark, vivid violet. Relative luminance 0.024; OKLCH L 30.2% C 0.127 H 290.1°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#311A68
RGB	rgb(49, 26, 104)
HSL	hsl(258, 60%, 25%)
HSV	hsv(258, 75%, 41%)
CMYK	cmyk(52.9%, 75%, 0%, 59.2%)
CIE-LAB	lab(17.42, 31.79, -41.71)
CIE-LCH	lch(17.42, 52.44, 307.32°)
OKLab	oklab(30.21% 0.0439 -0.1197)
OKLCH	oklch(30.21% 0.127 290.1)
XYZ	xyz(4.1340, 2.3911, 13.3377)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A68 #51681A

analogous

#1A2A68 #311A68 #581A68

triadic

#311A68 #68311A #1A6831

tetradic

#311A68 #681A2A #51681A #1A6858

square

#311A68 #681A2A #51681A #1A6858

split-complementary

#311A68 #68581A #2A681A

monochromatic

#0C0618 #1A0E37 #311A68 #482699 #5F32CA

Accessibility & contrast

On white

14.21

#311A68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#311A68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A68

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A68	#FFFFFF	#000000	##FFFFFF
##311A68	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6A

Deuteranopia (green-blind)

#002966

Tritanopia (blue-blind)

#1E2E3F

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #311a68;
/* rgb */ color: rgb(49, 26, 104);
/* oklch */ color: oklch(30.2% 0.127 290.1);

Tailwind

colors: {
  custom: {
    50: '#6f5994',
    500: '#311a68',
    950: '#000000',
  },
}

SCSS

$custom: #311a68;
$custom-light: #6f5994;
$custom-dark: #000000;

JSON

{
  "hex": "#311a68",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 104
  },
  "hsl": {
    "h": 257.692,
    "s": 60,
    "l": 25.49
  },
  "oklch": {
    "l": 0.30211,
    "c": 0.12749,
    "h": 290.1
  },
  "luminance": 0.02391
}

Semantic roles & 50–950 ramp

primary

#311A68

secondary

#829D40

accent

#E345B4

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #311A68

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

Preview Lab → · Contrast checker → · Palette generator →