#100C2D#100C2D

#100C2D is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.3% C 0.064 H 283.7°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#100C2D
RGB	rgb(16, 12, 45)
HSL	hsl(247, 58%, 11%)
HSV	hsv(247, 73%, 18%)
CMYK	cmyk(64.4%, 73.3%, 0%, 82.4%)
CIE-LAB	lab(5.08, 11.64, -20.86)
CIE-LCH	lch(5.08, 23.88, 299.16°)
OKLab	oklab(18.35% 0.0151 -0.062)
OKLCH	oklch(18.35% 0.064 283.7)
XYZ	xyz(0.8187, 0.5625, 2.5476)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100C2D #292D0C

analogous

#0C182D #100C2D #200C2D

triadic

#100C2D #2D100C #0C2D10

tetradic

#100C2D #2D0C18 #292D0C #0C2D20

square

#100C2D #2D0C18 #292D0C #0C2D20

split-complementary

#100C2D #2D200C #182D0C

monochromatic

#090618 #090618 #100C2D #21195D #32268E

Accessibility & contrast

On white

18.87

#100C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#100C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100C2D

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100C2D	#FFFFFF	#000000	##FFFFFF
##100C2D	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122E

Deuteranopia (green-blind)

#00102C

Tritanopia (blue-blind)

#05141A

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #100c2d;
/* rgb */ color: rgb(16, 12, 45);
/* oklch */ color: oklch(18.3% 0.064 283.7);

Tailwind

colors: {
  custom: {
    50: '#504c66',
    500: '#100c2d',
    950: '#000000',
  },
}

SCSS

$custom: #100c2d;
$custom-light: #504c66;
$custom-dark: #000000;

JSON

{
  "hex": "#100c2d",
  "rgb": {
    "r": 16,
    "g": 12,
    "b": 45
  },
  "hsl": {
    "h": 247.273,
    "s": 57.895,
    "l": 11.176
  },
  "oklch": {
    "l": 0.18348,
    "c": 0.06379,
    "h": 283.7
  },
  "luminance": 0.00563
}

Semantic roles & 50–950 ramp

primary

#100C2D

secondary

#61692C

accent

#E147CE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100C2D

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

Preview Lab → · Contrast checker → · Palette generator →