#0A0C2E#0A0C2E

#0A0C2E is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.9% C 0.067 H 274.8°. Best body text is #FFFFFF at 19.00:1 contrast (WCAG AA passes).

Color values

HEX	#0A0C2E
RGB	rgb(10, 12, 46)
HSL	hsl(237, 64%, 11%)
HSV	hsv(237, 78%, 18%)
CMYK	cmyk(78.3%, 73.9%, 0%, 82%)
CIE-LAB	lab(4.74, 10.28, -22.17)
CIE-LCH	lch(4.74, 24.44, 294.87°)
OKLab	oklab(17.88% 0.0056 -0.0667)
OKLCH	oklch(17.88% 0.067 274.8)
XYZ	xyz(0.7496, 0.5247, 2.6460)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.56

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0C2E #2E2C0A

analogous

#0A1E2E #0A0C2E #1A0A2E

triadic

#0A0C2E #2E0A0C #0C2E0A

tetradic

#0A0C2E #2E0A1E #2E2C0A #0A2E1A

square

#0A0C2E #2E0A1E #2E2C0A #0A2E1A

split-complementary

#0A0C2E #2E1A0A #1E2E0A

monochromatic

#050719 #050719 #0A0C2E #151960 #202693

Accessibility & contrast

On white

19.00

#0A0C2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0A0C2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0C2E

19.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0C2E	#FFFFFF	#000000	##FFFFFF
##0A0C2E	1.00	19.00	1.11	19.00
#FFFFFF	19.00	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	19.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122F

Deuteranopia (green-blind)

#000F2D

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0a0c2e;
/* rgb */ color: rgb(10, 12, 46);
/* oklch */ color: oklch(17.9% 0.067 274.8);

Tailwind

colors: {
  custom: {
    50: '#4d4c67',
    500: '#0a0c2e',
    950: '#000000',
  },
}

SCSS

$custom: #0a0c2e;
$custom-light: #4d4c67;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0c2e",
  "rgb": {
    "r": 10,
    "g": 12,
    "b": 46
  },
  "hsl": {
    "h": 236.667,
    "s": 64.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.17884,
    "c": 0.06698,
    "h": 274.8
  },
  "luminance": 0.00525
}

Semantic roles & 50–950 ramp

primary

#0A0C2E

secondary

#6B6729

accent

#DE41E7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #0A0C2E

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

Preview Lab → · Contrast checker → · Palette generator →