#100F36#100F36

#100F36 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.9% C 0.074 H 278.4°. Best body text is #FFFFFF at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#100F36
RGB	rgb(16, 15, 54)
HSL	hsl(242, 57%, 14%)
HSV	hsv(242, 72%, 21%)
CMYK	cmyk(70.4%, 72.2%, 0%, 78.8%)
CIE-LAB	lab(6.49, 14.44, -25.26)
CIE-LCH	lch(6.49, 29.09, 299.76°)
OKLab	oklab(19.9% 0.0108 -0.0732)
OKLCH	oklch(19.9% 0.074 278.4)
XYZ	xyz(1.0502, 0.7181, 3.5726)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F36 #35360F

analogous

#0F2136 #100F36 #230F36

triadic

#100F36 #36100F #0F3610

tetradic

#100F36 #360F21 #35360F #0F3623

square

#100F36 #360F21 #35360F #0F3623

split-complementary

#100F36 #36230F #21360F

monochromatic

#070718 #070718 #100F36 #1E1C66 #2C2A96

Accessibility & contrast

On white

18.36

#100F36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#100F36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F36

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F36	#FFFFFF	#000000	##FFFFFF
##100F36	1.00	18.36	1.14	18.36
#FFFFFF	18.36	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001637

Deuteranopia (green-blind)

#001335

Tritanopia (blue-blind)

#001920

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #100f36;
/* rgb */ color: rgb(16, 15, 54);
/* oklch */ color: oklch(19.9% 0.074 278.4);

Tailwind

colors: {
  custom: {
    50: '#534d6d',
    500: '#100f36',
    950: '#000000',
  },
}

SCSS

$custom: #100f36;
$custom-light: #534d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#100f36",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 54
  },
  "hsl": {
    "h": 241.538,
    "s": 56.522,
    "l": 13.529
  },
  "oklch": {
    "l": 0.19903,
    "c": 0.07398,
    "h": 278.4
  },
  "luminance": 0.00718
}

Semantic roles & 50–950 ramp

primary

#100F36

secondary

#6F7031

accent

#E048DC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#030107

muted

#78777A

Preview Lab

Preview with #100F36

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

Preview Lab → · Contrast checker → · Palette generator →