#0A0A2E#0A0A2E

#0A0A2E is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.4% C 0.070 H 276.3°. Best body text is #FFFFFF at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#0A0A2E
RGB	rgb(10, 10, 46)
HSL	hsl(240, 64%, 11%)
HSV	hsv(240, 78%, 18%)
CMYK	cmyk(78.3%, 78.3%, 0%, 82%)
CIE-LAB	lab(4.33, 11.13, -22.83)
CIE-LCH	lch(4.33, 25.40, 295.98°)
OKLab	oklab(17.44% 0.0077 -0.0697)
OKLCH	oklch(17.44% 0.07 276.3)
XYZ	xyz(0.7267, 0.4788, 2.6384)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0A2E #2E2E0A

analogous

#0A1C2E #0A0A2E #1C0A2E

triadic

#0A0A2E #2E0A0A #0A2E0A

tetradic

#0A0A2E #2E0A1C #2E2E0A #0A2E1C

square

#0A0A2E #2E0A1C #2E2E0A #0A2E1C

split-complementary

#0A0A2E #2E1C0A #1C2E0A

monochromatic

#050519 #050519 #0A0A2E #151560 #202093

Accessibility & contrast

On white

19.16

#0A0A2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0A0A2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0A2E

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0A2E	#FFFFFF	#000000	##FFFFFF
##0A0A2E	1.00	19.16	1.10	19.16
#FFFFFF	19.16	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112F

Deuteranopia (green-blind)

#000D2D

Tritanopia (blue-blind)

#00131A

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0a0a2e;
/* rgb */ color: rgb(10, 10, 46);
/* oklch */ color: oklch(17.4% 0.070 276.3);

Tailwind

colors: {
  custom: {
    50: '#4d4b67',
    500: '#0a0a2e',
    950: '#000000',
  },
}

SCSS

$custom: #0a0a2e;
$custom-light: #4d4b67;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0a2e",
  "rgb": {
    "r": 10,
    "g": 10,
    "b": 46
  },
  "hsl": {
    "h": 240,
    "s": 64.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.1744,
    "c": 0.07009,
    "h": 276.3
  },
  "luminance": 0.00479
}

Semantic roles & 50–950 ramp

primary

#0A0A2E

secondary

#6B6B29

accent

#E741E7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #0A0A2E

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

Preview Lab → · Contrast checker → · Palette generator →