#09103A#09103A

#09103A is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.0% C 0.081 H 269.9°. Best body text is #FFFFFF at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#09103A
RGB	rgb(9, 16, 58)
HSL	hsl(231, 73%, 13%)
HSV	hsv(231, 84%, 23%)
CMYK	cmyk(84.5%, 72.4%, 0%, 77.3%)
CIE-LAB	lab(6.63, 14.22, -27.95)
CIE-LCH	lch(6.63, 31.36, 296.96°)
OKLab	oklab(20.01% -0.0001 -0.0812)
OKLCH	oklch(20.01% 0.081 269.9)
XYZ	xyz(1.0614, 0.7340, 4.0879)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09103A #3A3309

analogous

#09283A #09103A #1A093A

triadic

#09103A #3A0910 #103A09

tetradic

#09103A #3A0928 #3A3309 #093A1A

square

#09103A #3A0928 #3A3309 #093A1A

split-complementary

#09103A #3A1A09 #283A09

monochromatic

#04071A #04071A #09103A #111F6F #192DA4

Accessibility & contrast

On white

18.31

#09103A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#09103A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09103A

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09103A	#FFFFFF	#000000	##FFFFFF
##09103A	1.00	18.31	1.15	18.31
#FFFFFF	18.31	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173B

Deuteranopia (green-blind)

#001239

Tritanopia (blue-blind)

#001B23

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #09103a;
/* rgb */ color: rgb(9, 16, 58);
/* oklch */ color: oklch(20.0% 0.081 269.9);

Tailwind

colors: {
  custom: {
    50: '#514e71',
    500: '#09103a',
    950: '#000000',
  },
}

SCSS

$custom: #09103a;
$custom-light: #514e71;
$custom-dark: #000000;

JSON

{
  "hex": "#09103a",
  "rgb": {
    "r": 9,
    "g": 16,
    "b": 58
  },
  "hsl": {
    "h": 231.429,
    "s": 73.134,
    "l": 13.137
  },
  "oklch": {
    "l": 0.20008,
    "c": 0.08119,
    "h": 269.9
  },
  "luminance": 0.00734
}

Semantic roles & 50–950 ramp

primary

#09103A

secondary

#786C27

accent

#D638F0

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #09103A

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

Preview Lab → · Contrast checker → · Palette generator →