#0A1245#0A1245

#0A1245 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.7% C 0.095 H 269.4°. Best body text is #FFFFFF at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#0A1245
RGB	rgb(10, 18, 69)
HSL	hsl(232, 75%, 15%)
HSV	hsv(232, 86%, 27%)
CMYK	cmyk(85.5%, 73.9%, 0%, 72.9%)
CIE-LAB	lab(8.37, 17.99, -32.95)
CIE-LCH	lch(8.37, 37.54, 298.63°)
OKLab	oklab(21.72% -0.001 -0.0953)
OKLCH	oklch(21.72% 0.095 269.4)
XYZ	xyz(1.4153, 0.9267, 5.7333)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1245 #453D0A

analogous

#0A2F45 #0A1245 #1F0A45

triadic

#0A1245 #450A12 #12450A

tetradic

#0A1245 #450A2F #453D0A #0A451F

square

#0A1245 #450A2F #453D0A #0A451F

split-complementary

#0A1245 #451F0A #2F450A

monochromatic

#04071B #04071B #0A1245 #12207A #192EB0

Accessibility & contrast

On white

17.72

#0A1245 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0A1245 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1245

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1245	#FFFFFF	#000000	##FFFFFF
##0A1245	1.00	17.72	1.19	17.72
#FFFFFF	17.72	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B47

Deuteranopia (green-blind)

#001544

Tritanopia (blue-blind)

#002029

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a1245;
/* rgb */ color: rgb(10, 18, 69);
/* oklch */ color: oklch(21.7% 0.095 269.4);

Tailwind

colors: {
  custom: {
    50: '#554f79',
    500: '#0a1245',
    950: '#000000',
  },
}

SCSS

$custom: #0a1245;
$custom-light: #554f79;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1245",
  "rgb": {
    "r": 10,
    "g": 18,
    "b": 69
  },
  "hsl": {
    "h": 231.864,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.21722,
    "c": 0.09536,
    "h": 269.4
  },
  "luminance": 0.00927
}

Semantic roles & 50–950 ramp

primary

#0A1245

secondary

#827629

accent

#D836F1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1245

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

Preview Lab → · Contrast checker → · Palette generator →