#100E2B#100E2B

#100E2B is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.6% C 0.057 H 282.5°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#100E2B
RGB	rgb(16, 14, 43)
HSL	hsl(244, 51%, 11%)
HSV	hsv(244, 67%, 17%)
CMYK	cmyk(62.8%, 67.4%, 0%, 83.1%)
CIE-LAB	lab(5.41, 9.73, -18.84)
CIE-LCH	lch(5.41, 21.21, 297.33°)
OKLab	oklab(18.61% 0.0123 -0.0555)
OKLCH	oklch(18.61% 0.057 282.5)
XYZ	xyz(0.8066, 0.5986, 2.3581)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.40

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E2B #292B0E

analogous

#0E1A2B #100E2B #1E0E2B

triadic

#100E2B #2B100E #0E2B10

tetradic

#100E2B #2B0E1A #292B0E #0E2B1E

square

#100E2B #2B0E1A #292B0E #0E2B1E

split-complementary

#100E2B #2B1E0E #1A2B0E

monochromatic

#090817 #090817 #100E2B #211D59 #322C87

Accessibility & contrast

On white

18.75

#100E2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#100E2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E2B

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E2B	#FFFFFF	#000000	##FFFFFF
##100E2B	1.00	18.75	1.12	18.75
#FFFFFF	18.75	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02132C

Deuteranopia (green-blind)

#01112A

Tritanopia (blue-blind)

#06151A

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #100e2b;
/* rgb */ color: rgb(16, 14, 43);
/* oklch */ color: oklch(18.6% 0.057 282.5);

Tailwind

colors: {
  custom: {
    50: '#504d64',
    500: '#100e2b',
    950: '#000000',
  },
}

SCSS

$custom: #100e2b;
$custom-light: #504d64;
$custom-dark: #000000;

JSON

{
  "hex": "#100e2b",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 43
  },
  "hsl": {
    "h": 244.138,
    "s": 50.877,
    "l": 11.176
  },
  "oklch": {
    "l": 0.1861,
    "c": 0.05685,
    "h": 282.5
  },
  "luminance": 0.00599
}

Semantic roles & 50–950 ramp

primary

#100E2B

secondary

#616530

accent

#DA4DD1

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020105

muted

#78777A

Preview Lab

Preview with #100E2B

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

Preview Lab → · Contrast checker → · Palette generator →