#0A1340#0A1340

#0A1340 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.086 H 269.0°. Best body text is #FFFFFF at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#0A1340
RGB	rgb(10, 19, 64)
HSL	hsl(230, 73%, 15%)
HSV	hsv(230, 84%, 25%)
CMYK	cmyk(84.4%, 70.3%, 0%, 74.9%)
CIE-LAB	lab(8.13, 15.04, -29.80)
CIE-LCH	lch(8.13, 33.38, 296.78°)
OKLab	oklab(21.39% -0.0015 -0.0861)
OKLCH	oklch(21.39% 0.086 269)
XYZ	xyz(1.2831, 0.9003, 4.9556)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1340 #40370A

analogous

#0A2E40 #0A1340 #1C0A40

triadic

#0A1340 #400A13 #13400A

tetradic

#0A1340 #400A2E #40370A #0A401C

square

#0A1340 #400A2E #40370A #0A401C

split-complementary

#0A1340 #401C0A #2E400A

monochromatic

#04081A #04081A #0A1340 #122375 #1B32AA

Accessibility & contrast

On white

17.80

#0A1340 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0A1340 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1340

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1340	#FFFFFF	#000000	##FFFFFF
##0A1340	1.00	17.80	1.18	17.80
#FFFFFF	17.80	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A41

Deuteranopia (green-blind)

#00153F

Tritanopia (blue-blind)

#001F27

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a1340;
/* rgb */ color: rgb(10, 19, 64);
/* oklch */ color: oklch(21.4% 0.086 269.0);

Tailwind

colors: {
  custom: {
    50: '#535075',
    500: '#0a1340',
    950: '#000000',
  },
}

SCSS

$custom: #0a1340;
$custom-light: #535075;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1340",
  "rgb": {
    "r": 10,
    "g": 19,
    "b": 64
  },
  "hsl": {
    "h": 230,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.21389,
    "c": 0.08612,
    "h": 269
  },
  "luminance": 0.009
}

Semantic roles & 50–950 ramp

primary

#0A1340

secondary

#7D6F29

accent

#D138F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0A1340

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

Preview Lab → · Contrast checker → · Palette generator →