#100540#100540

#100540 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.103 H 279.8°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#100540
RGB	rgb(16, 5, 64)
HSL	hsl(251, 86%, 14%)
HSV	hsv(251, 92%, 25%)
CMYK	cmyk(75%, 92.2%, 0%, 74.9%)
CIE-LAB	lab(5.32, 24.31, -34.38)
CIE-LCH	lch(5.32, 42.11, 305.26°)
OKLab	oklab(19.23% 0.0175 -0.1011)
OKLCH	oklch(19.23% 0.103 279.8)
XYZ	xyz(1.1931, 0.5888, 4.9003)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Night Blue

#040348

ΔE00 2.51

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100540 #354005

analogous

#051740 #100540 #2D0540

triadic

#100540 #401005 #054010

tetradic

#100540 #400517 #354005 #05402D

square

#100540 #400517 #354005 #05402D

split-complementary

#100540 #402D05 #174005

monochromatic

#07021C #07021C #100540 #1E0979 #2C0EB2

Accessibility & contrast

On white

18.79

#100540 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#100540 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100540

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100540	#FFFFFF	#000000	##FFFFFF
##100540	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001442

Deuteranopia (green-blind)

#000F3F

Tritanopia (blue-blind)

#001723

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #100540;
/* rgb */ color: rgb(16, 5, 64);
/* oklch */ color: oklch(19.2% 0.103 279.8);

Tailwind

colors: {
  custom: {
    50: '#574876',
    500: '#100540',
    950: '#000000',
  },
}

SCSS

$custom: #100540;
$custom-light: #574876;
$custom-dark: #000000;

JSON

{
  "hex": "#100540",
  "rgb": {
    "r": 16,
    "g": 5,
    "b": 64
  },
  "hsl": {
    "h": 251.186,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.19232,
    "c": 0.10263,
    "h": 279.8
  },
  "luminance": 0.00589
}

Semantic roles & 50–950 ramp

primary

#100540

secondary

#6F8120

accent

#FC2CD5

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #100540

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

Preview Lab → · Contrast checker → · Palette generator →