#100131#100131

#100131 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 16.4% C 0.090 H 288.8°. Best body text is #FFFFFF at 19.61:1 contrast (WCAG AA passes).

Color values

HEX	#100131
RGB	rgb(16, 1, 49)
HSL	hsl(259, 96%, 10%)
HSV	hsv(259, 98%, 19%)
CMYK	cmyk(67.3%, 98%, 0%, 80.8%)
CIE-LAB	lab(3.19, 18.14, -26.86)
CIE-LCH	lch(3.19, 32.41, 304.03°)
OKLab	oklab(16.4% 0.0289 -0.0848)
OKLCH	oklch(16.4% 0.09 288.8)
XYZ	xyz(0.7788, 0.3536, 2.9323)
Luminance	0.0035 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100131 #223101

analogous

#010A31 #100131 #280131

triadic

#100131 #311001 #013110

tetradic

#100131 #31010A #223101 #013128

square

#100131 #31010A #223101 #013128

split-complementary

#100131 #312801 #0A3101

monochromatic

#0A011E #0A011E #100131 #24026D #3703A9

Accessibility & contrast

On white

19.61

#100131 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#100131 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100131

19.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100131	#FFFFFF	#000000	##FFFFFF
##100131	1.00	19.61	1.07	19.61
#FFFFFF	19.61	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D32

Deuteranopia (green-blind)

#000A30

Tritanopia (blue-blind)

#030E19

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #100131;
/* rgb */ color: rgb(16, 1, 49);
/* oklch */ color: oklch(16.4% 0.090 288.8);

Tailwind

colors: {
  custom: {
    50: '#514669',
    500: '#100131',
    950: '#000000',
  },
}

SCSS

$custom: #100131;
$custom-light: #514669;
$custom-dark: #000000;

JSON

{
  "hex": "#100131",
  "rgb": {
    "r": 16,
    "g": 1,
    "b": 49
  },
  "hsl": {
    "h": 258.75,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.16398,
    "c": 0.08961,
    "h": 288.8
  },
  "luminance": 0.00354
}

Semantic roles & 50–950 ramp

primary

#100131

secondary

#597717

accent

#FF29BC

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#020006

muted

#78777A

Preview Lab

Preview with #100131

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

Preview Lab → · Contrast checker → · Palette generator →