#09042C#09042C

#09042C is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.7% C 0.078 H 279.7°. Best body text is #FFFFFF at 19.71:1 contrast (WCAG AA passes).

Color values

HEX	#09042C
RGB	rgb(9, 4, 44)
HSL	hsl(248, 83%, 9%)
HSV	hsv(248, 91%, 17%)
CMYK	cmyk(79.5%, 90.9%, 0%, 82.7%)
CIE-LAB	lab(2.95, 12.29, -23.51)
CIE-LCH	lch(2.95, 26.53, 297.61°)
OKLab	oklab(15.67% 0.0131 -0.0765)
OKLCH	oklch(15.67% 0.078 279.7)
XYZ	xyz(0.6106, 0.3267, 2.4133)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09042C #272C04

analogous

#04132C #09042C #1D042C

triadic

#09042C #2C0904 #042C09

tetradic

#09042C #2C0413 #272C04 #042C1D

square

#09042C #2C0413 #272C04 #042C1D

split-complementary

#09042C #2C1D04 #132C04

monochromatic

#06031C #06031C #09042C #140964 #200E9C

Accessibility & contrast

On white

19.71

#09042C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#09042C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09042C

19.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09042C	#FFFFFF	#000000	##FFFFFF
##09042C	1.00	19.71	1.07	19.71
#FFFFFF	19.71	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C2D

Deuteranopia (green-blind)

#00092B

Tritanopia (blue-blind)

#000F17

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #09042c;
/* rgb */ color: rgb(9, 4, 44);
/* oklch */ color: oklch(15.7% 0.078 279.7);

Tailwind

colors: {
  custom: {
    50: '#4c4865',
    500: '#09042c',
    950: '#000000',
  },
}

SCSS

$custom: #09042c;
$custom-light: #4c4865;
$custom-dark: #000000;

JSON

{
  "hex": "#09042c",
  "rgb": {
    "r": 9,
    "g": 4,
    "b": 44
  },
  "hsl": {
    "h": 247.5,
    "s": 83.333,
    "l": 9.412
  },
  "oklch": {
    "l": 0.15669,
    "c": 0.07763,
    "h": 279.7
  },
  "luminance": 0.00327
}

Semantic roles & 50–950 ramp

primary

#09042C

secondary

#646F1D

accent

#FA2EE0

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010005

muted

#77777A

Preview Lab

Preview with #09042C

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

Preview Lab → · Contrast checker → · Palette generator →