#09023A#09023A

#09023A is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.2% C 0.101 H 275.5°. Best body text is #FFFFFF at 19.42:1 contrast (WCAG AA passes).

Color values

HEX	#09023A
RGB	rgb(9, 2, 58)
HSL	hsl(248, 93%, 12%)
HSV	hsv(248, 97%, 23%)
CMYK	cmyk(84.5%, 96.6%, 0%, 77.3%)
CIE-LAB	lab(3.68, 20.89, -32.75)
CIE-LCH	lch(3.68, 38.84, 302.53°)
OKLab	oklab(17.15% 0.0096 -0.1003)
OKLCH	oklch(17.15% 0.101 275.5)
XYZ	xyz(0.8978, 0.4069, 4.0334)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09023A #333A02

analogous

#02173A #09023A #25023A

triadic

#09023A #3A0902 #023A09

tetradic

#09023A #3A0217 #333A02 #023A25

square

#09023A #3A0217 #333A02 #023A25

split-complementary

#09023A #3A2502 #173A02

monochromatic

#05011E #05011E #09023A #120475 #1B06B0

Accessibility & contrast

On white

19.42

#09023A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#09023A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09023A

19.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09023A	#FFFFFF	#000000	##FFFFFF
##09023A	1.00	19.42	1.08	19.42
#FFFFFF	19.42	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00103C

Deuteranopia (green-blind)

#000A39

Tritanopia (blue-blind)

#00131E

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #09023a;
/* rgb */ color: rgb(9, 2, 58);
/* oklch */ color: oklch(17.2% 0.101 275.5);

Tailwind

colors: {
  custom: {
    50: '#514671',
    500: '#09023a',
    950: '#000000',
  },
}

SCSS

$custom: #09023a;
$custom-light: #514671;
$custom-dark: #000000;

JSON

{
  "hex": "#09023a",
  "rgb": {
    "r": 9,
    "g": 2,
    "b": 58
  },
  "hsl": {
    "h": 247.5,
    "s": 93.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.17151,
    "c": 0.10081,
    "h": 275.5
  },
  "luminance": 0.00407
}

Semantic roles & 50–950 ramp

primary

#09023A

secondary

#717D1A

accent

#FF29E4

background

#F4F3F6

surface

#E7E5EC

border

#C3C1C7

text

#020008

muted

#78777B

Preview Lab

Preview with #09023A

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

Preview Lab → · Contrast checker → · Palette generator →