#09043C#09043C

#09043C is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.9% C 0.100 H 274.3°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#09043C
RGB	rgb(9, 4, 60)
HSL	hsl(245, 88%, 13%)
HSV	hsv(245, 93%, 24%)
CMYK	cmyk(85%, 93.3%, 0%, 76.5%)
CIE-LAB	lab(4.26, 21.20, -33.26)
CIE-LCH	lch(4.26, 39.44, 302.51°)
OKLab	oklab(17.87% 0.0076 -0.1002)
OKLCH	oklch(17.87% 0.1 274.3)
XYZ	xyz(0.9714, 0.4711, 4.3138)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09043C #373C04

analogous

#041B3C #09043C #25043C

triadic

#09043C #3C0904 #043C09

tetradic

#09043C #3C041B #373C04 #043C25

square

#09043C #3C041B #373C04 #043C25

split-complementary

#09043C #3C2504 #1B3C04

monochromatic

#04021D #04021D #09043C #120875 #1A0CAF

Accessibility & contrast

On white

19.19

#09043C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#09043C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09043C

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09043C	#FFFFFF	#000000	##FFFFFF
##09043C	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113E

Deuteranopia (green-blind)

#000C3B

Tritanopia (blue-blind)

#001520

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #09043c;
/* rgb */ color: rgb(9, 4, 60);
/* oklch */ color: oklch(17.9% 0.100 274.3);

Tailwind

colors: {
  custom: {
    50: '#524772',
    500: '#09043c',
    950: '#000000',
  },
}

SCSS

$custom: #09043c;
$custom-light: #524772;
$custom-dark: #000000;

JSON

{
  "hex": "#09043c",
  "rgb": {
    "r": 9,
    "g": 4,
    "b": 60
  },
  "hsl": {
    "h": 245.357,
    "s": 87.5,
    "l": 12.549
  },
  "oklch": {
    "l": 0.17869,
    "c": 0.10049,
    "h": 274.3
  },
  "luminance": 0.00471
}

Semantic roles & 50–950 ramp

primary

#09043C

secondary

#757E1E

accent

#FE2AEB

background

#F4F4F7

surface

#E7E6ED

border

#C3C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #09043C

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

Preview Lab → · Contrast checker → · Palette generator →