#100F34#100F34

#100F34 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.7% C 0.071 H 278.9°. Best body text is #FFFFFF at 18.42:1 contrast (WCAG AA passes).

Color values

HEX	#100F34
RGB	rgb(16, 15, 52)
HSL	hsl(242, 55%, 13%)
HSV	hsv(242, 71%, 20%)
CMYK	cmyk(69.2%, 71.2%, 0%, 79.6%)
CIE-LAB	lab(6.32, 13.50, -24.06)
CIE-LCH	lch(6.32, 27.59, 299.30°)
OKLab	oklab(19.7% 0.0109 -0.0698)
OKLCH	oklch(19.7% 0.071 278.9)
XYZ	xyz(1.0041, 0.6997, 3.3303)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F34 #33340F

analogous

#0F2034 #100F34 #220F34

triadic

#100F34 #34100F #0F3410

tetradic

#100F34 #340F20 #33340F #0F3422

square

#100F34 #340F20 #33340F #0F3422

split-complementary

#100F34 #34220F #20340F

monochromatic

#070718 #070718 #100F34 #1F1D63 #2D2A93

Accessibility & contrast

On white

18.42

#100F34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#100F34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F34

18.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F34	#FFFFFF	#000000	##FFFFFF
##100F34	1.00	18.42	1.14	18.42
#FFFFFF	18.42	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001535

Deuteranopia (green-blind)

#001333

Tritanopia (blue-blind)

#00181F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #100f34;
/* rgb */ color: rgb(16, 15, 52);
/* oklch */ color: oklch(19.7% 0.071 278.9);

Tailwind

colors: {
  custom: {
    50: '#524d6c',
    500: '#100f34',
    950: '#000000',
  },
}

SCSS

$custom: #100f34;
$custom-light: #524d6c;
$custom-dark: #000000;

JSON

{
  "hex": "#100f34",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 52
  },
  "hsl": {
    "h": 241.622,
    "s": 55.224,
    "l": 13.137
  },
  "oklch": {
    "l": 0.19701,
    "c": 0.07065,
    "h": 278.9
  },
  "luminance": 0.007
}

Semantic roles & 50–950 ramp

primary

#100F34

secondary

#6C6E31

accent

#DF49DB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020107

muted

#78777A

Preview Lab

Preview with #100F34

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

Preview Lab → · Contrast checker → · Palette generator →