#100E33#100E33

#100E33 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.4% C 0.071 H 279.9°. Best body text is #FFFFFF at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#100E33
RGB	rgb(16, 14, 51)
HSL	hsl(243, 57%, 13%)
HSV	hsv(243, 73%, 20%)
CMYK	cmyk(68.6%, 72.5%, 0%, 80%)
CIE-LAB	lab(5.99, 13.60, -23.86)
CIE-LCH	lch(5.99, 27.46, 299.68°)
OKLab	oklab(19.38% 0.0122 -0.0695)
OKLCH	oklch(19.38% 0.071 279.9)
XYZ	xyz(0.9681, 0.6632, 3.2083)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E33 #31330E

analogous

#0E1E33 #100E33 #220E33

triadic

#100E33 #33100E #0E3310

tetradic

#100E33 #330E1E #31330E #0E3322

square

#100E33 #330E1E #31330E #0E3322

split-complementary

#100E33 #33220E #1E330E

monochromatic

#080718 #080718 #100E33 #1F1B63 #2E2893

Accessibility & contrast

On white

18.54

#100E33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#100E33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E33

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E33	#FFFFFF	#000000	##FFFFFF
##100E33	1.00	18.54	1.13	18.54
#FFFFFF	18.54	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001534

Deuteranopia (green-blind)

#001232

Tritanopia (blue-blind)

#01171E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #100e33;
/* rgb */ color: rgb(16, 14, 51);
/* oklch */ color: oklch(19.4% 0.071 279.9);

Tailwind

colors: {
  custom: {
    50: '#524d6b',
    500: '#100e33',
    950: '#000000',
  },
}

SCSS

$custom: #100e33;
$custom-light: #524d6b;
$custom-dark: #000000;

JSON

{
  "hex": "#100e33",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 51
  },
  "hsl": {
    "h": 243.243,
    "s": 56.923,
    "l": 12.745
  },
  "oklch": {
    "l": 0.19382,
    "c": 0.07058,
    "h": 279.9
  },
  "luminance": 0.00663
}

Semantic roles & 50–950 ramp

primary

#100E33

secondary

#6A6E2F

accent

#E048D8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100E33

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

Preview Lab → · Contrast checker → · Palette generator →