#0A1247#0A1247

#0A1247 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.098 H 269.3°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#0A1247
RGB	rgb(10, 18, 71)
HSL	hsl(232, 75%, 16%)
HSV	hsv(232, 86%, 28%)
CMYK	cmyk(85.9%, 74.6%, 0%, 72.2%)
CIE-LAB	lab(8.58, 18.85, -34.00)
CIE-LCH	lch(8.58, 38.87, 299.00°)
OKLab	oklab(21.95% -0.0012 -0.0984)
OKLCH	oklch(21.95% 0.098 269.3)
XYZ	xyz(1.4784, 0.9519, 6.0658)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1247 #473F0A

analogous

#0A3047 #0A1247 #200A47

triadic

#0A1247 #470A12 #12470A

tetradic

#0A1247 #470A30 #473F0A #0A4720

square

#0A1247 #470A30 #473F0A #0A4720

split-complementary

#0A1247 #47200A #30470A

monochromatic

#04071B #04071B #0A1247 #12207D #192DB2

Accessibility & contrast

On white

17.64

#0A1247 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0A1247 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1247

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1247	#FFFFFF	#000000	##FFFFFF
##0A1247	1.00	17.64	1.19	17.64
#FFFFFF	17.64	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C49

Deuteranopia (green-blind)

#001646

Tritanopia (blue-blind)

#00202A

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0a1247;
/* rgb */ color: rgb(10, 18, 71);
/* oklch */ color: oklch(21.9% 0.098 269.3);

Tailwind

colors: {
  custom: {
    50: '#554f7b',
    500: '#0a1247',
    950: '#000000',
  },
}

SCSS

$custom: #0a1247;
$custom-light: #554f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1247",
  "rgb": {
    "r": 10,
    "g": 18,
    "b": 71
  },
  "hsl": {
    "h": 232.131,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.21949,
    "c": 0.09841,
    "h": 269.3
  },
  "luminance": 0.00952
}

Semantic roles & 50–950 ramp

primary

#0A1247

secondary

#847829

accent

#D936F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1247

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

Preview Lab → · Contrast checker → · Palette generator →