#0A0D2F#0A0D2F

#0A0D2F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.2% C 0.067 H 273.8°. Best body text is #FFFFFF at 18.89:1 contrast (WCAG AA passes).

Color values

HEX	#0A0D2F
RGB	rgb(10, 13, 47)
HSL	hsl(235, 65%, 11%)
HSV	hsv(235, 79%, 18%)
CMYK	cmyk(78.7%, 72.3%, 0%, 81.6%)
CIE-LAB	lab(5.04, 10.33, -22.45)
CIE-LCH	lch(5.04, 24.71, 294.71°)
OKLab	oklab(18.22% 0.0045 -0.067)
OKLCH	oklch(18.22% 0.067 273.8)
XYZ	xyz(0.7820, 0.5575, 2.7552)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0D2F #2F2C0A

analogous

#0A1F2F #0A0D2F #190A2F

triadic

#0A0D2F #2F0A0D #0D2F0A

tetradic

#0A0D2F #2F0A1F #2F2C0A #0A2F19

square

#0A0D2F #2F0A1F #2F2C0A #0A2F19

split-complementary

#0A0D2F #2F190A #1F2F0A

monochromatic

#050719 #050719 #0A0D2F #151B61 #1F2994

Accessibility & contrast

On white

18.89

#0A0D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0A0D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0D2F

18.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0D2F	#FFFFFF	#000000	##FFFFFF
##0A0D2F	1.00	18.89	1.11	18.89
#FFFFFF	18.89	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001330

Deuteranopia (green-blind)

#000F2E

Tritanopia (blue-blind)

#00151C

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0a0d2f;
/* rgb */ color: rgb(10, 13, 47);
/* oklch */ color: oklch(18.2% 0.067 273.8);

Tailwind

colors: {
  custom: {
    50: '#4d4c68',
    500: '#0a0d2f',
    950: '#000000',
  },
}

SCSS

$custom: #0a0d2f;
$custom-light: #4d4c68;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0d2f",
  "rgb": {
    "r": 10,
    "g": 13,
    "b": 47
  },
  "hsl": {
    "h": 235.135,
    "s": 64.912,
    "l": 11.176
  },
  "oklch": {
    "l": 0.1822,
    "c": 0.06711,
    "h": 273.8
  },
  "luminance": 0.00558
}

Semantic roles & 50–950 ramp

primary

#0A0D2F

secondary

#6C6729

accent

#DA40E8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0A0D2F

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

Preview Lab → · Contrast checker → · Palette generator →