#100340#100340

#100340 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.9% C 0.105 H 280.5°. Best body text is #FFFFFF at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#100340
RGB	rgb(16, 3, 64)
HSL	hsl(253, 91%, 13%)
HSV	hsv(253, 95%, 25%)
CMYK	cmyk(75%, 95.3%, 0%, 74.9%)
CIE-LAB	lab(4.93, 25.29, -35.02)
CIE-LCH	lch(4.93, 43.20, 305.83°)
OKLab	oklab(18.87% 0.0191 -0.1036)
OKLCH	oklch(18.87% 0.105 280.5)
XYZ	xyz(1.1714, 0.5454, 4.8930)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100340 #334003

analogous

#031440 #100340 #2E0340

triadic

#100340 #401003 #034010

tetradic

#100340 #400314 #334003 #03402E

square

#100340 #400314 #334003 #03402E

split-complementary

#100340 #402E03 #144003

monochromatic

#07011D #07011D #100340 #1F067A #2D08B5

Accessibility & contrast

On white

18.94

#100340 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#100340 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100340

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100340	#FFFFFF	#000000	##FFFFFF
##100340	1.00	18.94	1.11	18.94
#FFFFFF	18.94	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001342

Deuteranopia (green-blind)

#000E3F

Tritanopia (blue-blind)

#001622

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #100340;
/* rgb */ color: rgb(16, 3, 64);
/* oklch */ color: oklch(18.9% 0.105 280.5);

Tailwind

colors: {
  custom: {
    50: '#574776',
    500: '#100340',
    950: '#000000',
  },
}

SCSS

$custom: #100340;
$custom-light: #574776;
$custom-dark: #000000;

JSON

{
  "hex": "#100340",
  "rgb": {
    "r": 16,
    "g": 3,
    "b": 64
  },
  "hsl": {
    "h": 252.787,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.18871,
    "c": 0.10534,
    "h": 280.5
  },
  "luminance": 0.00545
}

Semantic roles & 50–950 ramp

primary

#100340

secondary

#6C821D

accent

#FF29D1

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #100340

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

Preview Lab → · Contrast checker → · Palette generator →