#01092B#01092B

#01092B is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.0% C 0.071 H 263.5°. Best body text is #FFFFFF at 19.53:1 contrast (WCAG AA passes).

Color values

HEX	#01092B
RGB	rgb(1, 9, 43)
HSL	hsl(229, 95%, 9%)
HSV	hsv(229, 98%, 17%)
CMYK	cmyk(97.7%, 79.1%, 0%, 83.1%)
CIE-LAB	lab(3.40, 7.72, -22.07)
CIE-LCH	lch(3.40, 23.38, 289.29°)
OKLab	oklab(16% -0.008 -0.0708)
OKLCH	oklch(16% 0.071 263.5)
XYZ	xyz(0.5461, 0.3762, 2.3289)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.04

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01092B #2B2301

analogous

#011E2B #01092B #0E012B

triadic

#01092B #2B0109 #092B01

tetradic

#01092B #2B011E #2B2301 #012B0E

square

#01092B #2B011E #2B2301 #012B0E

split-complementary

#01092B #2B0E01 #1E2B01

monochromatic

#01061E #01061E #01092B #021667 #0422A3

Accessibility & contrast

On white

19.53

#01092B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#01092B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01092B

19.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01092B	#FFFFFF	#000000	##FFFFFF
##01092B	1.00	19.53	1.08	19.53
#FFFFFF	19.53	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2C

Deuteranopia (green-blind)

#000A2A

Tritanopia (blue-blind)

#001218

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #01092b;
/* rgb */ color: rgb(1, 9, 43);
/* oklch */ color: oklch(16.0% 0.071 263.5);

Tailwind

colors: {
  custom: {
    50: '#484a64',
    500: '#01092b',
    950: '#000000',
  },
}

SCSS

$custom: #01092b;
$custom-light: #484a64;
$custom-dark: #000000;

JSON

{
  "hex": "#01092b",
  "rgb": {
    "r": 1,
    "g": 9,
    "b": 43
  },
  "hsl": {
    "h": 228.571,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.15995,
    "c": 0.07122,
    "h": 263.5
  },
  "luminance": 0.00376
}

Semantic roles & 50–950 ramp

primary

#01092B

secondary

#716017

accent

#D629FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #01092B

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

Preview Lab → · Contrast checker → · Palette generator →