#010923#010923

#010923 is a very dark, muted blue. Relative luminance 0.003; OKLCH L 15.1% C 0.058 H 261.6°. Best body text is #FFFFFF at 19.73:1 contrast (WCAG AA passes).

Color values

HEX	#010923
RGB	rgb(1, 9, 35)
HSL	hsl(226, 94%, 7%)
HSV	hsv(226, 97%, 14%)
CMYK	cmyk(97.1%, 74.3%, 0%, 86.3%)
CIE-LAB	lab(2.92, 4.36, -16.68)
CIE-LCH	lch(2.92, 17.24, 284.65°)
OKLab	oklab(15.05% -0.0084 -0.057)
OKLCH	oklch(15.05% 0.058 261.6)
XYZ	xyz(0.4135, 0.3231, 1.6304)
Luminance	0.0032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.91

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010923 #231B01

analogous

#011A23 #010923 #0A0123

triadic

#010923 #230109 #092301

tetradic

#010923 #23011A #231B01 #01230A

square

#010923 #23011A #231B01 #01230A

split-complementary

#010923 #230A01 #1A2301

monochromatic

#01081E #01081E #010923 #03185F #04289A

Accessibility & contrast

On white

19.73

#010923 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#010923 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010923

19.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010923	#FFFFFF	#000000	##FFFFFF
##010923	1.00	19.73	1.06	19.73
#FFFFFF	19.73	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D24

Deuteranopia (green-blind)

#000922

Tritanopia (blue-blind)

#001014

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #010923;
/* rgb */ color: rgb(1, 9, 35);
/* oklch */ color: oklch(15.1% 0.058 261.6);

Tailwind

colors: {
  custom: {
    50: '#474b5e',
    500: '#010923',
    950: '#000000',
  },
}

SCSS

$custom: #010923;
$custom-light: #474b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#010923",
  "rgb": {
    "r": 1,
    "g": 9,
    "b": 35
  },
  "hsl": {
    "h": 225.882,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.15054,
    "c": 0.05766,
    "h": 261.6
  },
  "luminance": 0.00323
}

Semantic roles & 50–950 ramp

primary

#010923

secondary

#6A5616

accent

#CD29FF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #010923

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

Preview Lab → · Contrast checker → · Palette generator →