#100D29#100D29

#100D29 is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.2% C 0.055 H 284.4°. Best body text is #FFFFFF at 18.89:1 contrast (WCAG AA passes).

Color values

HEX	#100D29
RGB	rgb(16, 13, 41)
HSL	hsl(246, 52%, 11%)
HSV	hsv(246, 68%, 16%)
CMYK	cmyk(61%, 68.3%, 0%, 83.9%)
CIE-LAB	lab(5.04, 9.31, -17.91)
CIE-LCH	lch(5.04, 20.18, 297.47°)
OKLab	oklab(18.19% 0.0137 -0.0534)
OKLCH	oklch(18.19% 0.055 284.4)
XYZ	xyz(0.7577, 0.5581, 2.1652)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.88

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100D29 #26290D

analogous

#0D1829 #100D29 #1E0D29

triadic

#100D29 #29100D #0D2910

tetradic

#100D29 #290D18 #26290D #0D291E

square

#100D29 #290D18 #26290D #0D291E

split-complementary

#100D29 #291E0D #18290D

monochromatic

#090717 #090717 #100D29 #221C57 #342A86

Accessibility & contrast

On white

18.89

#100D29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#100D29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100D29

18.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100D29	#FFFFFF	#000000	##FFFFFF
##100D29	1.00	18.89	1.11	18.89
#FFFFFF	18.89	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02122A

Deuteranopia (green-blind)

#011028

Tritanopia (blue-blind)

#071319

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #100d29;
/* rgb */ color: rgb(16, 13, 41);
/* oklch */ color: oklch(18.2% 0.055 284.4);

Tailwind

colors: {
  custom: {
    50: '#4f4c63',
    500: '#100d29',
    950: '#000000',
  },
}

SCSS

$custom: #100d29;
$custom-light: #4f4c63;
$custom-dark: #000000;

JSON

{
  "hex": "#100d29",
  "rgb": {
    "r": 16,
    "g": 13,
    "b": 41
  },
  "hsl": {
    "h": 246.429,
    "s": 51.852,
    "l": 10.588
  },
  "oklch": {
    "l": 0.18193,
    "c": 0.05511,
    "h": 284.4
  },
  "luminance": 0.00558
}

Semantic roles & 50–950 ramp

primary

#100D29

secondary

#5E632E

accent

#DB4CCC

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#020105

muted

#787779

Preview Lab

Preview with #100D29

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

Preview Lab → · Contrast checker → · Palette generator →