#0A1335#0A1335

#0A1335 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.3% C 0.068 H 268.5°. Best body text is #FFFFFF at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#0A1335
RGB	rgb(10, 19, 53)
HSL	hsl(227, 68%, 12%)
HSV	hsv(227, 81%, 21%)
CMYK	cmyk(81.1%, 64.2%, 0%, 79.2%)
CIE-LAB	lab(7.11, 9.96, -23.54)
CIE-LCH	lch(7.11, 25.56, 292.93°)
OKLab	oklab(20.27% -0.0018 -0.0679)
OKLCH	oklch(20.27% 0.068 268.5)
XYZ	xyz(1.0004, 0.7872, 3.4667)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1335 #352C0A

analogous

#0A2935 #0A1335 #170A35

triadic

#0A1335 #350A13 #13350A

tetradic

#0A1335 #350A29 #352C0A #0A3517

square

#0A1335 #350A29 #352C0A #0A3517

split-complementary

#0A1335 #35170A #29350A

monochromatic

#05091A #05091A #0A1335 #142568 #1D389C

Accessibility & contrast

On white

18.14

#0A1335 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0A1335 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1335

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1335	#FFFFFF	#000000	##FFFFFF
##0A1335	1.00	18.14	1.16	18.14
#FFFFFF	18.14	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001836

Deuteranopia (green-blind)

#001434

Tritanopia (blue-blind)

#001B21

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0a1335;
/* rgb */ color: rgb(10, 19, 53);
/* oklch */ color: oklch(20.3% 0.068 268.5);

Tailwind

colors: {
  custom: {
    50: '#50506c',
    500: '#0a1335',
    950: '#000000',
  },
}

SCSS

$custom: #0a1335;
$custom-light: #50506c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1335",
  "rgb": {
    "r": 10,
    "g": 19,
    "b": 53
  },
  "hsl": {
    "h": 227.442,
    "s": 68.254,
    "l": 12.353
  },
  "oklch": {
    "l": 0.20271,
    "c": 0.06792,
    "h": 268.5
  },
  "luminance": 0.00787
}

Semantic roles & 50–950 ramp

primary

#0A1335

secondary

#726328

accent

#C73DEB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020207

muted

#78787A

Preview Lab

Preview with #0A1335

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

Preview Lab → · Contrast checker → · Palette generator →