#100D2E#100D2E

#100D2E is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.7% C 0.064 H 282.4°. Best body text is #FFFFFF at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#100D2E
RGB	rgb(16, 13, 46)
HSL	hsl(245, 56%, 12%)
HSV	hsv(245, 72%, 18%)
CMYK	cmyk(65.2%, 71.7%, 0%, 82%)
CIE-LAB	lab(5.38, 11.67, -21.14)
CIE-LCH	lch(5.38, 24.14, 298.90°)
OKLab	oklab(18.67% 0.0137 -0.0623)
OKLCH	oklch(18.67% 0.064 282.4)
XYZ	xyz(0.8506, 0.5952, 2.6543)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100D2E #2B2E0D

analogous

#0D1B2E #100D2E #210D2E

triadic

#100D2E #2E100D #0D2E10

tetradic

#100D2E #2E0D1B #2B2E0D #0D2E21

square

#100D2E #2E0D1B #2B2E0D #0D2E21

split-complementary

#100D2E #2E210D #1B2E0D

monochromatic

#080718 #080718 #100D2E #211A5E #31288D

Accessibility & contrast

On white

18.77

#100D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#100D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100D2E

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100D2E	#FFFFFF	#000000	##FFFFFF
##100D2E	1.00	18.77	1.12	18.77
#FFFFFF	18.77	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00132F

Deuteranopia (green-blind)

#00112D

Tritanopia (blue-blind)

#04151B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #100d2e;
/* rgb */ color: rgb(16, 13, 46);
/* oklch */ color: oklch(18.7% 0.064 282.4);

Tailwind

colors: {
  custom: {
    50: '#514c67',
    500: '#100d2e',
    950: '#000000',
  },
}

SCSS

$custom: #100d2e;
$custom-light: #514c67;
$custom-dark: #000000;

JSON

{
  "hex": "#100d2e",
  "rgb": {
    "r": 16,
    "g": 13,
    "b": 46
  },
  "hsl": {
    "h": 245.455,
    "s": 55.932,
    "l": 11.569
  },
  "oklch": {
    "l": 0.18666,
    "c": 0.06381,
    "h": 282.4
  },
  "luminance": 0.00595
}

Semantic roles & 50–950 ramp

primary

#100D2E

secondary

#64692E

accent

#DF49D2

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100D2E

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

Preview Lab → · Contrast checker → · Palette generator →