#09103B#09103B

#09103B is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.1% C 0.083 H 269.9°. Best body text is #FFFFFF at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#09103B
RGB	rgb(9, 16, 59)
HSL	hsl(232, 74%, 13%)
HSV	hsv(232, 85%, 23%)
CMYK	cmyk(84.7%, 72.9%, 0%, 76.9%)
CIE-LAB	lab(6.72, 14.71, -28.52)
CIE-LCH	lch(6.72, 32.09, 297.28°)
OKLab	oklab(20.12% -0.0001 -0.0828)
OKLCH	oklch(20.12% 0.083 269.9)
XYZ	xyz(1.0871, 0.7443, 4.2232)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09103B #3B3409

analogous

#09293B #09103B #1B093B

triadic

#09103B #3B0910 #103B09

tetradic

#09103B #3B0929 #3B3409 #093B1B

square

#09103B #3B0929 #3B3409 #093B1B

split-complementary

#09103B #3B1B09 #293B09

monochromatic

#04071B #04071B #09103B #111E70 #192DA5

Accessibility & contrast

On white

18.28

#09103B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#09103B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09103B

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09103B	#FFFFFF	#000000	##FFFFFF
##09103B	1.00	18.28	1.15	18.28
#FFFFFF	18.28	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173C

Deuteranopia (green-blind)

#00133A

Tritanopia (blue-blind)

#001B23

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #09103b;
/* rgb */ color: rgb(9, 16, 59);
/* oklch */ color: oklch(20.1% 0.083 269.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#09103b",
  "rgb": {
    "r": 9,
    "g": 16,
    "b": 59
  },
  "hsl": {
    "h": 231.6,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.20118,
    "c": 0.0828,
    "h": 269.9
  },
  "luminance": 0.00744
}

Semantic roles & 50–950 ramp

primary

#09103B

secondary

#796E27

accent

#D638F0

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020108

muted

#78777B

Preview Lab

Preview with #09103B

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

Preview Lab → · Contrast checker → · Palette generator →