#100D34#100D34

#100D34 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.3% C 0.074 H 280.4°. Best body text is #FFFFFF at 18.60:1 contrast (WCAG AA passes).

Color values

HEX	#100D34
RGB	rgb(16, 13, 52)
HSL	hsl(245, 60%, 13%)
HSV	hsv(245, 75%, 20%)
CMYK	cmyk(69.2%, 75%, 0%, 79.6%)
CIE-LAB	lab(5.83, 14.61, -24.84)
CIE-LCH	lch(5.83, 28.82, 300.46°)
OKLab	oklab(19.27% 0.0133 -0.0726)
OKLCH	oklch(19.27% 0.074 280.4)
XYZ	xyz(0.9772, 0.6459, 3.3213)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100D34 #31340D

analogous

#0D1E34 #100D34 #230D34

triadic

#100D34 #34100D #0D3410

tetradic

#100D34 #340D1E #31340D #0D3423

square

#100D34 #340D1E #31340D #0D3423

split-complementary

#100D34 #34230D #1E340D

monochromatic

#080618 #080618 #100D34 #1F1965 #2E2596

Accessibility & contrast

On white

18.60

#100D34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#100D34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100D34

18.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100D34	#FFFFFF	#000000	##FFFFFF
##100D34	1.00	18.60	1.13	18.60
#FFFFFF	18.60	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001435

Deuteranopia (green-blind)

#001133

Tritanopia (blue-blind)

#00171E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #100d34;
/* rgb */ color: rgb(16, 13, 52);
/* oklch */ color: oklch(19.3% 0.074 280.4);

Tailwind

colors: {
  custom: {
    50: '#524c6c',
    500: '#100d34',
    950: '#000000',
  },
}

SCSS

$custom: #100d34;
$custom-light: #524c6c;
$custom-dark: #000000;

JSON

{
  "hex": "#100d34",
  "rgb": {
    "r": 16,
    "g": 13,
    "b": 52
  },
  "hsl": {
    "h": 244.615,
    "s": 60,
    "l": 12.745
  },
  "oklch": {
    "l": 0.19273,
    "c": 0.0738,
    "h": 280.4
  },
  "luminance": 0.00646
}

Semantic roles & 50–950 ramp

primary

#100D34

secondary

#6A6F2D

accent

#E345D7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020107

muted

#78777A

Preview Lab

Preview with #100D34

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

Preview Lab → · Contrast checker → · Palette generator →