#100538#100538

#100538 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.2% C 0.092 H 283.0°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#100538
RGB	rgb(16, 5, 56)
HSL	hsl(253, 84%, 12%)
HSV	hsv(253, 91%, 22%)
CMYK	cmyk(71.4%, 91.1%, 0%, 78%)
CIE-LAB	lab(4.55, 20.28, -29.84)
CIE-LCH	lch(4.55, 36.08, 304.21°)
OKLab	oklab(18.19% 0.0206 -0.0894)
OKLCH	oklch(18.19% 0.092 283)
XYZ	xyz(0.9815, 0.5042, 3.7862)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100538 #2D3805

analogous

#051438 #100538 #2A0538

triadic

#100538 #381005 #053810

tetradic

#100538 #380514 #2D3805 #05382A

square

#100538 #380514 #2D3805 #05382A

split-complementary

#100538 #382A05 #143805

monochromatic

#08031C #08031C #100538 #200A70 #300FA8

Accessibility & contrast

On white

19.08

#100538 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#100538 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100538

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100538	#FFFFFF	#000000	##FFFFFF
##100538	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001139

Deuteranopia (green-blind)

#000E37

Tritanopia (blue-blind)

#00141E

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #100538;
/* rgb */ color: rgb(16, 5, 56);
/* oklch */ color: oklch(18.2% 0.092 283.0);

Tailwind

colors: {
  custom: {
    50: '#54486f',
    500: '#100538',
    950: '#000000',
  },
}

SCSS

$custom: #100538;
$custom-light: #54486f;
$custom-dark: #000000;

JSON

{
  "hex": "#100538",
  "rgb": {
    "r": 16,
    "g": 5,
    "b": 56
  },
  "hsl": {
    "h": 252.941,
    "s": 83.607,
    "l": 11.961
  },
  "oklch": {
    "l": 0.18192,
    "c": 0.09171,
    "h": 283
  },
  "luminance": 0.00504
}

Semantic roles & 50–950 ramp

primary

#100538

secondary

#667920

accent

#FA2ECE

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#030007

muted

#78777A

Preview Lab

Preview with #100538

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

Preview Lab → · Contrast checker → · Palette generator →