#311458#311458

#311458 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.8% C 0.115 H 297.9°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#311458
RGB	rgb(49, 20, 88)
HSL	hsl(266, 63%, 21%)
HSV	hsv(266, 77%, 35%)
CMYK	cmyk(44.3%, 77.3%, 0%, 65.5%)
CIE-LAB	lab(14.72, 30.32, -35.48)
CIE-LCH	lch(14.72, 46.67, 310.52°)
OKLab	oklab(27.83% 0.0538 -0.1014)
OKLCH	oklch(27.83% 0.115 297.9)
XYZ	xyz(3.2778, 1.8578, 9.4165)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.76

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311458 #3B5814

analogous

#141958 #311458 #531458

triadic

#311458 #583114 #145831

tetradic

#311458 #581419 #3B5814 #145853

square

#311458 #581419 #3B5814 #145853

split-complementary

#311458 #585314 #195814

monochromatic

#0E0619 #150926 #311458 #4D1F8A #692BBC

Accessibility & contrast

On white

15.31

#311458 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#311458 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311458

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311458	#FFFFFF	#000000	##FFFFFF
##311458	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255A

Deuteranopia (green-blind)

#002457

Tritanopia (blue-blind)

#272534

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #311458;
/* rgb */ color: rgb(49, 20, 88);
/* oklch */ color: oklch(27.8% 0.115 297.9);

Tailwind

colors: {
  custom: {
    50: '#6d5488',
    500: '#311458',
    950: '#000000',
  },
}

SCSS

$custom: #311458;
$custom-light: #6d5488;
$custom-dark: #000000;

JSON

{
  "hex": "#311458",
  "rgb": {
    "r": 49,
    "g": 20,
    "b": 88
  },
  "hsl": {
    "h": 265.588,
    "s": 62.963,
    "l": 21.176
  },
  "oklch": {
    "l": 0.27834,
    "c": 0.11474,
    "h": 297.9
  },
  "luminance": 0.01858
}

Semantic roles & 50–950 ramp

primary

#311458

secondary

#6A9038

accent

#E642A0

background

#F6F5F8

surface

#ECE8F0

border

#C7C4CB

text

#07030B

muted

#7A787C

Preview Lab

Preview with #311458

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

Preview Lab → · Contrast checker → · Palette generator →