#0A0D2D#0A0D2D

#0A0D2D is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.0% C 0.064 H 274.0°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#0A0D2D
RGB	rgb(10, 13, 45)
HSL	hsl(235, 64%, 11%)
HSV	hsv(235, 78%, 18%)
CMYK	cmyk(77.8%, 71.1%, 0%, 82.4%)
CIE-LAB	lab(4.89, 9.32, -21.18)
CIE-LCH	lch(4.89, 23.14, 293.76°)
OKLab	oklab(18.01% 0.0045 -0.0635)
OKLCH	oklch(18.01% 0.064 274)
XYZ	xyz(0.7426, 0.5418, 2.5476)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0D2D #2D2A0A

analogous

#0A1E2D #0A0D2D #180A2D

triadic

#0A0D2D #2D0A0D #0D2D0A

tetradic

#0A0D2D #2D0A1E #2D2A0A #0A2D18

square

#0A0D2D #2D0A1E #2D2A0A #0A2D18

split-complementary

#0A0D2D #2D180A #1E2D0A

monochromatic

#060719 #060719 #0A0D2D #151B5F #202A91

Accessibility & contrast

On white

18.95

#0A0D2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0A0D2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0D2D

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0D2D	#FFFFFF	#000000	##FFFFFF
##0A0D2D	1.00	18.95	1.11	18.95
#FFFFFF	18.95	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122E

Deuteranopia (green-blind)

#000F2C

Tritanopia (blue-blind)

#00151B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0a0d2d;
/* rgb */ color: rgb(10, 13, 45);
/* oklch */ color: oklch(18.0% 0.064 274.0);

Tailwind

colors: {
  custom: {
    50: '#4d4c66',
    500: '#0a0d2d',
    950: '#000000',
  },
}

SCSS

$custom: #0a0d2d;
$custom-light: #4d4c66;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0d2d",
  "rgb": {
    "r": 10,
    "g": 13,
    "b": 45
  },
  "hsl": {
    "h": 234.857,
    "s": 63.636,
    "l": 10.784
  },
  "oklch": {
    "l": 0.18014,
    "c": 0.06366,
    "h": 274
  },
  "luminance": 0.00542
}

Semantic roles & 50–950 ramp

primary

#0A0D2D

secondary

#6A6429

accent

#D841E7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #0A0D2D

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

Preview Lab → · Contrast checker → · Palette generator →