#310F60#310F60

#310F60 is a dark, vivid violet. Relative luminance 0.018; OKLCH L 28.0% C 0.130 H 295.6°. Best body text is #FFFFFF at 15.35:1 contrast (WCAG AA passes).

Color values

HEX	#310F60
RGB	rgb(49, 15, 96)
HSL	hsl(265, 73%, 22%)
HSV	hsv(265, 84%, 38%)
CMYK	cmyk(49%, 84.4%, 0%, 62.4%)
CIE-LAB	lab(14.62, 35.13, -41.01)
CIE-LCH	lch(14.62, 54.00, 310.58°)
OKLab	oklab(28% 0.0563 -0.1176)
OKLCH	oklch(28% 0.13 295.6)
XYZ	xyz(3.5482, 1.8391, 11.2321)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.36

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F60 #3E600F

analogous

#0F1660 #310F60 #5A0F60

triadic

#310F60 #60310F #0F6031

tetradic

#310F60 #600F16 #3E600F #0F605A

square

#310F60 #600F16 #3E600F #0F605A

split-complementary

#310F60 #605A0F #16600F

monochromatic

#0E041A #16072B #310F60 #4C1795 #6720CA

Accessibility & contrast

On white

15.35

#310F60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#310F60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F60

15.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F60	#FFFFFF	#000000	##FFFFFF
##310F60	1.00	15.35	1.37	15.35
#FFFFFF	15.35	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002562

Deuteranopia (green-blind)

#00245E

Tritanopia (blue-blind)

#242638

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #310f60;
/* rgb */ color: rgb(49, 15, 96);
/* oklch */ color: oklch(28.0% 0.130 295.6);

Tailwind

colors: {
  custom: {
    50: '#6f528e',
    500: '#310f60',
    950: '#000000',
  },
}

SCSS

$custom: #310f60;
$custom-light: #6f528e;
$custom-dark: #000000;

JSON

{
  "hex": "#310f60",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 96
  },
  "hsl": {
    "h": 265.185,
    "s": 72.973,
    "l": 21.765
  },
  "oklch": {
    "l": 0.28,
    "c": 0.13035,
    "h": 295.6
  },
  "luminance": 0.01839
}

Semantic roles & 50–950 ramp

primary

#310F60

secondary

#6E9932

accent

#F038A3

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #310F60

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

Preview Lab → · Contrast checker → · Palette generator →