#100738#100738

#100738 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.6% C 0.089 H 282.1°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#100738
RGB	rgb(16, 7, 56)
HSL	hsl(251, 78%, 12%)
HSV	hsv(251, 88%, 22%)
CMYK	cmyk(71.4%, 87.5%, 0%, 78%)
CIE-LAB	lab(4.95, 19.40, -29.21)
CIE-LCH	lch(4.95, 35.06, 303.59°)
OKLab	oklab(18.58% 0.0186 -0.0867)
OKLCH	oklch(18.58% 0.089 282.1)
XYZ	xyz(1.0033, 0.5476, 3.7934)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100738 #2F3807

analogous

#071738 #100738 #280738

triadic

#100738 #381007 #073810

tetradic

#100738 #380717 #2F3807 #073828

square

#100738 #380717 #2F3807 #073828

split-complementary

#100738 #382807 #173807

monochromatic

#08031B #08031B #100738 #200E6E #2F15A5

Accessibility & contrast

On white

18.93

#100738 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#100738 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100738

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100738	#FFFFFF	#000000	##FFFFFF
##100738	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001239

Deuteranopia (green-blind)

#000F37

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #100738;
/* rgb */ color: rgb(16, 7, 56);
/* oklch */ color: oklch(18.6% 0.089 282.1);

Tailwind

colors: {
  custom: {
    50: '#54496f',
    500: '#100738',
    950: '#000000',
  },
}

SCSS

$custom: #100738;
$custom-light: #54496f;
$custom-dark: #000000;

JSON

{
  "hex": "#100738",
  "rgb": {
    "r": 16,
    "g": 7,
    "b": 56
  },
  "hsl": {
    "h": 251.02,
    "s": 77.778,
    "l": 12.353
  },
  "oklch": {
    "l": 0.1858,
    "c": 0.08869,
    "h": 282.1
  },
  "luminance": 0.00548
}

Semantic roles & 50–950 ramp

primary

#100738

secondary

#687823

accent

#F434D1

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#030007

muted

#78777A

Preview Lab

Preview with #100738

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

Preview Lab → · Contrast checker → · Palette generator →