#100D36#100D36

#100D36 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.5% C 0.077 H 279.8°. Best body text is #FFFFFF at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#100D36
RGB	rgb(16, 13, 54)
HSL	hsl(244, 61%, 13%)
HSV	hsv(244, 76%, 21%)
CMYK	cmyk(70.4%, 75.9%, 0%, 78.8%)
CIE-LAB	lab(6.00, 15.58, -26.04)
CIE-LCH	lch(6.00, 30.34, 300.88°)
OKLab	oklab(19.48% 0.0131 -0.0759)
OKLCH	oklch(19.48% 0.077 279.8)
XYZ	xyz(1.0233, 0.6643, 3.5636)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight

#03012D

ΔE00 3.16

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100D36 #33360D

analogous

#0D1E36 #100D36 #240D36

triadic

#100D36 #36100D #0D3610

tetradic

#100D36 #360D1E #33360D #0D3624

square

#100D36 #360D1E #33360D #0D3624

split-complementary

#100D36 #36240D #1E360D

monochromatic

#070619 #070619 #100D36 #1F1967 #2D2599

Accessibility & contrast

On white

18.54

#100D36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#100D36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100D36

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100D36	#FFFFFF	#000000	##FFFFFF
##100D36	1.00	18.54	1.13	18.54
#FFFFFF	18.54	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001537

Deuteranopia (green-blind)

#001235

Tritanopia (blue-blind)

#00171F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #100d36;
/* rgb */ color: rgb(16, 13, 54);
/* oklch */ color: oklch(19.5% 0.077 279.8);

Tailwind

colors: {
  custom: {
    50: '#534c6d',
    500: '#100d36',
    950: '#000000',
  },
}

SCSS

$custom: #100d36;
$custom-light: #534c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#100d36",
  "rgb": {
    "r": 16,
    "g": 13,
    "b": 54
  },
  "hsl": {
    "h": 244.39,
    "s": 61.194,
    "l": 13.137
  },
  "oklch": {
    "l": 0.19484,
    "c": 0.07704,
    "h": 279.8
  },
  "luminance": 0.00664
}

Semantic roles & 50–950 ramp

primary

#100D36

secondary

#6C712D

accent

#E443D9

background

#F4F4F6

surface

#E8E7EB

border

#C4C3C6

text

#030107

muted

#78777A

Preview Lab

Preview with #100D36

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

Preview Lab → · Contrast checker → · Palette generator →