#100D46#100D46

#100D46 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.3% C 0.101 H 275.8°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#100D46
RGB	rgb(16, 13, 70)
HSL	hsl(243, 69%, 16%)
HSV	hsv(243, 81%, 27%)
CMYK	cmyk(77.1%, 81.4%, 0%, 72.5%)
CIE-LAB	lab(7.59, 22.69, -34.92)
CIE-LCH	lch(7.59, 41.65, 303.02°)
OKLab	oklab(21.3% 0.0102 -0.101)
OKLCH	oklch(21.3% 0.101 275.8)
XYZ	xyz(1.4627, 0.8401, 5.8782)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100D46 #43460D

analogous

#0D2746 #100D46 #2D0D46

triadic

#100D46 #46100D #0D4610

tetradic

#100D46 #460D27 #43460D #0D462D

square

#100D46 #460D27 #43460D #0D462D

split-complementary

#100D46 #462D0D #27460D

monochromatic

#06051A #06051A #100D46 #1C177A #2820AD

Accessibility & contrast

On white

17.98

#100D46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#100D46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100D46

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100D46	#FFFFFF	#000000	##FFFFFF
##100D46	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001948

Deuteranopia (green-blind)

#001445

Tritanopia (blue-blind)

#001D28

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #100d46;
/* rgb */ color: rgb(16, 13, 70);
/* oklch */ color: oklch(21.3% 0.101 275.8);

Tailwind

colors: {
  custom: {
    50: '#584c7a',
    500: '#100d46',
    950: '#000000',
  },
}

SCSS

$custom: #100d46;
$custom-light: #584c7a;
$custom-dark: #000000;

JSON

{
  "hex": "#100d46",
  "rgb": {
    "r": 16,
    "g": 13,
    "b": 70
  },
  "hsl": {
    "h": 243.158,
    "s": 68.675,
    "l": 16.275
  },
  "oklch": {
    "l": 0.21301,
    "c": 0.10147,
    "h": 275.8
  },
  "luminance": 0.0084
}

Semantic roles & 50–950 ramp

primary

#100D46

secondary

#7D812D

accent

#EC3CE2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #100D46

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

Preview Lab → · Contrast checker → · Palette generator →