#100C2F#100C2F

#100C2F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.5% C 0.067 H 282.8°. Best body text is #FFFFFF at 18.82:1 contrast (WCAG AA passes).

Color values

HEX	#100C2F
RGB	rgb(16, 12, 47)
HSL	hsl(247, 59%, 12%)
HSV	hsv(247, 74%, 18%)
CMYK	cmyk(66%, 74.5%, 0%, 81.6%)
CIE-LAB	lab(5.22, 12.63, -22.12)
CIE-LCH	lch(5.22, 25.48, 299.72°)
OKLab	oklab(18.55% 0.0149 -0.0655)
OKLCH	oklch(18.55% 0.067 282.8)
XYZ	xyz(0.8581, 0.5783, 2.7552)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100C2F #2B2F0C

analogous

#0C1A2F #100C2F #220C2F

triadic

#100C2F #2F100C #0C2F10

tetradic

#100C2F #2F0C1A #2B2F0C #0C2F22

square

#100C2F #2F0C1A #2B2F0C #0C2F22

split-complementary

#100C2F #2F220C #1A2F0C

monochromatic

#080618 #080618 #100C2F #211860 #312591

Accessibility & contrast

On white

18.82

#100C2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#100C2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100C2F

18.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100C2F	#FFFFFF	#000000	##FFFFFF
##100C2F	1.00	18.82	1.12	18.82
#FFFFFF	18.82	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001330

Deuteranopia (green-blind)

#00102E

Tritanopia (blue-blind)

#04141B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #100c2f;
/* rgb */ color: rgb(16, 12, 47);
/* oklch */ color: oklch(18.5% 0.067 282.8);

Tailwind

colors: {
  custom: {
    50: '#514c68',
    500: '#100c2f',
    950: '#000000',
  },
}

SCSS

$custom: #100c2f;
$custom-light: #514c68;
$custom-dark: #000000;

JSON

{
  "hex": "#100c2f",
  "rgb": {
    "r": 16,
    "g": 12,
    "b": 47
  },
  "hsl": {
    "h": 246.857,
    "s": 59.322,
    "l": 11.569
  },
  "oklch": {
    "l": 0.18548,
    "c": 0.06716,
    "h": 282.8
  },
  "luminance": 0.00578
}

Semantic roles & 50–950 ramp

primary

#100C2F

secondary

#646B2C

accent

#E345D1

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100C2F

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

Preview Lab → · Contrast checker → · Palette generator →