#100731#100731

#100731 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.7% C 0.078 H 285.3°. Best body text is #FFFFFF at 19.15:1 contrast (WCAG AA passes).

Color values

HEX	#100731
RGB	rgb(16, 7, 49)
HSL	hsl(253, 75%, 11%)
HSV	hsv(253, 86%, 19%)
CMYK	cmyk(67.3%, 85.7%, 0%, 80.8%)
CIE-LAB	lab(4.37, 15.73, -24.98)
CIE-LCH	lch(4.37, 29.52, 302.21°)
OKLab	oklab(17.75% 0.0207 -0.0756)
OKLCH	oklch(17.75% 0.078 285.3)
XYZ	xyz(0.8439, 0.4838, 2.9541)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 3.03

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100731 #283107

analogous

#071331 #100731 #250731

triadic

#100731 #311007 #073110

tetradic

#100731 #310713 #283107 #073125

square

#100731 #310713 #283107 #073125

split-complementary

#100731 #312507 #133107

monochromatic

#09041B #09041B #100731 #210F67 #33169C

Accessibility & contrast

On white

19.15

#100731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#100731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100731

19.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100731	#FFFFFF	#000000	##FFFFFF
##100731	1.00	19.15	1.10	19.15
#FFFFFF	19.15	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001032

Deuteranopia (green-blind)

#000E30

Tritanopia (blue-blind)

#03121B

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #100731;
/* rgb */ color: rgb(16, 7, 49);
/* oklch */ color: oklch(17.7% 0.078 285.3);

Tailwind

colors: {
  custom: {
    50: '#514969',
    500: '#100731',
    950: '#000000',
  },
}

SCSS

$custom: #100731;
$custom-light: #514969;
$custom-dark: #000000;

JSON

{
  "hex": "#100731",
  "rgb": {
    "r": 16,
    "g": 7,
    "b": 49
  },
  "hsl": {
    "h": 252.857,
    "s": 75,
    "l": 10.98
  },
  "oklch": {
    "l": 0.17746,
    "c": 0.07838,
    "h": 285.3
  },
  "luminance": 0.00484
}

Semantic roles & 50–950 ramp

primary

#100731

secondary

#607123

accent

#F236C9

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #100731

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

Preview Lab → · Contrast checker → · Palette generator →