#100531#100531

#100531 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.3% C 0.082 H 286.5°. Best body text is #FFFFFF at 19.30:1 contrast (WCAG AA passes).

Color values

HEX	#100531
RGB	rgb(16, 5, 49)
HSL	hsl(255, 81%, 11%)
HSV	hsv(255, 90%, 19%)
CMYK	cmyk(67.3%, 89.8%, 0%, 80.8%)
CIE-LAB	lab(3.98, 16.53, -25.60)
CIE-LCH	lch(3.98, 30.48, 302.85°)
OKLab	oklab(17.32% 0.0232 -0.0785)
OKLCH	oklch(17.32% 0.082 286.5)
XYZ	xyz(0.8222, 0.4404, 2.9468)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 3.18

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100531 #263105

analogous

#051031 #100531 #260531

triadic

#100531 #311005 #053110

tetradic

#100531 #310510 #263105 #053126

square

#100531 #310510 #263105 #053126

split-complementary

#100531 #312605 #103105

monochromatic

#09031C #09031C #100531 #220B69 #3410A0

Accessibility & contrast

On white

19.30

#100531 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#100531 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100531

19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100531	#FFFFFF	#000000	##FFFFFF
##100531	1.00	19.30	1.09	19.30
#FFFFFF	19.30	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F32

Deuteranopia (green-blind)

#000D30

Tritanopia (blue-blind)

#03111A

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #100531;
/* rgb */ color: rgb(16, 5, 49);
/* oklch */ color: oklch(17.3% 0.082 286.5);

Tailwind

colors: {
  custom: {
    50: '#514869',
    500: '#100531',
    950: '#000000',
  },
}

SCSS

$custom: #100531;
$custom-light: #514869;
$custom-dark: #000000;

JSON

{
  "hex": "#100531",
  "rgb": {
    "r": 16,
    "g": 5,
    "b": 49
  },
  "hsl": {
    "h": 255,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.1732,
    "c": 0.08185,
    "h": 286.5
  },
  "luminance": 0.0044
}

Semantic roles & 50–950 ramp

primary

#100531

secondary

#5E721F

accent

#F830C6

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #100531

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

Preview Lab → · Contrast checker → · Palette generator →