#100E23#100E23

#100E23 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.9% C 0.042 H 285.6°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#100E23
RGB	rgb(16, 14, 35)
HSL	hsl(246, 43%, 10%)
HSV	hsv(246, 60%, 14%)
CMYK	cmyk(54.3%, 60%, 0%, 86.3%)
CIE-LAB	lab(4.93, 6.37, -13.50)
CIE-LCH	lch(4.93, 14.93, 295.24°)
OKLab	oklab(17.92% 0.0114 -0.0407)
OKLCH	oklch(17.92% 0.042 285.6)
XYZ	xyz(0.6740, 0.5456, 1.6596)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E23 #21230E

analogous

#0E1723 #100E23 #1B0E23

triadic

#100E23 #23100E #0E2310

tetradic

#100E23 #230E17 #21230E #0E231B

square

#100E23 #230E17 #21230E #0E231B

split-complementary

#100E23 #231B0E #17230E

monochromatic

#0A0916 #0A0916 #100E23 #241F4F #38317A

Accessibility & contrast

On white

18.93

#100E23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#100E23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E23

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E23	#FFFFFF	#000000	##FFFFFF
##100E23	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061124

Deuteranopia (green-blind)

#061023

Tritanopia (blue-blind)

#0A1216

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #100e23;
/* rgb */ color: rgb(16, 14, 35);
/* oklch */ color: oklch(17.9% 0.042 285.6);

Tailwind

colors: {
  custom: {
    50: '#4e4d5e',
    500: '#100e23',
    950: '#000000',
  },
}

SCSS

$custom: #100e23;
$custom-light: #4e4d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#100e23",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 35
  },
  "hsl": {
    "h": 245.714,
    "s": 42.857,
    "l": 9.608
  },
  "oklch": {
    "l": 0.17922,
    "c": 0.04223,
    "h": 285.6
  },
  "luminance": 0.00546
}

Semantic roles & 50–950 ramp

primary

#100E23

secondary

#575C31

accent

#D355C7

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020104

muted

#787779

Preview Lab

Preview with #100E23

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

Preview Lab → · Contrast checker → · Palette generator →