#311757#311757

#311757 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.2% C 0.109 H 297.5°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#311757
RGB	rgb(49, 23, 87)
HSL	hsl(264, 58%, 22%)
HSV	hsv(264, 74%, 34%)
CMYK	cmyk(43.7%, 73.6%, 0%, 65.9%)
CIE-LAB	lab(15.24, 28.33, -33.95)
CIE-LCH	lch(15.24, 44.22, 309.84°)
OKLab	oklab(28.18% 0.0505 -0.0969)
OKLCH	oklch(28.18% 0.109 297.5)
XYZ	xyz(3.2929, 1.9538, 9.2186)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311757 #3D5717

analogous

#171D57 #311757 #511757

triadic

#311757 #573117 #175731

tetradic

#311757 #57171D #3D5717 #175751

square

#311757 #57171D #3D5717 #175751

split-complementary

#311757 #575117 #1D5717

monochromatic

#0E0618 #160A27 #311757 #4C2487 #6831B8

Accessibility & contrast

On white

15.10

#311757 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#311757 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311757

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311757	#FFFFFF	#000000	##FFFFFF
##311757	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002659

Deuteranopia (green-blind)

#002556

Tritanopia (blue-blind)

#282635

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #311757;
/* rgb */ color: rgb(49, 23, 87);
/* oklch */ color: oklch(28.2% 0.109 297.5);

Tailwind

colors: {
  custom: {
    50: '#6d5687',
    500: '#311757',
    950: '#000000',
  },
}

SCSS

$custom: #311757;
$custom-light: #6d5687;
$custom-dark: #000000;

JSON

{
  "hex": "#311757",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 87
  },
  "hsl": {
    "h": 264.375,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.28177,
    "c": 0.10929,
    "h": 297.5
  },
  "luminance": 0.01954
}

Semantic roles & 50–950 ramp

primary

#311757

secondary

#6D8E3C

accent

#E146A2

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #311757

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

Preview Lab → · Contrast checker → · Palette generator →