#0A1342#0A1342

#0A1342 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.089 H 269.0°. Best body text is #FFFFFF at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#0A1342
RGB	rgb(10, 19, 66)
HSL	hsl(230, 74%, 15%)
HSV	hsv(230, 85%, 26%)
CMYK	cmyk(84.8%, 71.2%, 0%, 74.1%)
CIE-LAB	lab(8.34, 15.92, -30.88)
CIE-LCH	lch(8.34, 34.75, 297.27°)
OKLab	oklab(21.6% -0.0016 -0.0893)
OKLCH	oklch(21.6% 0.089 269)
XYZ	xyz(1.3411, 0.9235, 5.2608)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1342 #42390A

analogous

#0A2F42 #0A1342 #1D0A42

triadic

#0A1342 #420A13 #13420A

tetradic

#0A1342 #420A2F #42390A #0A421D

square

#0A1342 #420A2F #42390A #0A421D

split-complementary

#0A1342 #421D0A #2F420A

monochromatic

#04081B #04081B #0A1342 #122277 #1A32AC

Accessibility & contrast

On white

17.72

#0A1342 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0A1342 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1342

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1342	#FFFFFF	#000000	##FFFFFF
##0A1342	1.00	17.72	1.18	17.72
#FFFFFF	17.72	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B44

Deuteranopia (green-blind)

#001641

Tritanopia (blue-blind)

#001F28

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a1342;
/* rgb */ color: rgb(10, 19, 66);
/* oklch */ color: oklch(21.6% 0.089 269.0);

Tailwind

colors: {
  custom: {
    50: '#545077',
    500: '#0a1342',
    950: '#000000',
  },
}

SCSS

$custom: #0a1342;
$custom-light: #545077;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1342",
  "rgb": {
    "r": 10,
    "g": 19,
    "b": 66
  },
  "hsl": {
    "h": 230.357,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21604,
    "c": 0.08929,
    "h": 269
  },
  "luminance": 0.00924
}

Semantic roles & 50–950 ramp

primary

#0A1342

secondary

#7F7129

accent

#D337F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1342

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

Preview Lab → · Contrast checker → · Palette generator →