#0A0B35#0A0B35

#0A0B35 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.4% C 0.080 H 274.2°. Best body text is #FFFFFF at 18.88:1 contrast (WCAG AA passes).

Color values

HEX	#0A0B35
RGB	rgb(10, 11, 53)
HSL	hsl(239, 68%, 12%)
HSV	hsv(239, 81%, 21%)
CMYK	cmyk(81.1%, 79.2%, 0%, 79.2%)
CIE-LAB	lab(5.07, 14.48, -26.84)
CIE-LCH	lch(5.07, 30.49, 298.34°)
OKLab	oklab(18.45% 0.0059 -0.0798)
OKLCH	oklch(18.45% 0.08 274.2)
XYZ	xyz(0.8872, 0.5608, 3.4290)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0B35 #35340A

analogous

#0A2035 #0A0B35 #1F0A35

triadic

#0A0B35 #350A0B #0B350A

tetradic

#0A0B35 #350A20 #35340A #0A351F

square

#0A0B35 #350A20 #35340A #0A351F

split-complementary

#0A0B35 #351F0A #20350A

monochromatic

#05051A #05051A #0A0B35 #141668 #1D209C

Accessibility & contrast

On white

18.88

#0A0B35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0A0B35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0B35

18.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0B35	#FFFFFF	#000000	##FFFFFF
##0A0B35	1.00	18.88	1.11	18.88
#FFFFFF	18.88	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001336

Deuteranopia (green-blind)

#000F34

Tritanopia (blue-blind)

#00161E

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0a0b35;
/* rgb */ color: rgb(10, 11, 53);
/* oklch */ color: oklch(18.4% 0.080 274.2);

Tailwind

colors: {
  custom: {
    50: '#504b6d',
    500: '#0a0b35',
    950: '#000000',
  },
}

SCSS

$custom: #0a0b35;
$custom-light: #504b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0b35",
  "rgb": {
    "r": 10,
    "g": 11,
    "b": 53
  },
  "hsl": {
    "h": 238.605,
    "s": 68.254,
    "l": 12.353
  },
  "oklch": {
    "l": 0.18447,
    "c": 0.08002,
    "h": 274.2
  },
  "luminance": 0.00561
}

Semantic roles & 50–950 ramp

primary

#0A0B35

secondary

#727128

accent

#E73DEB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020107

muted

#78777A

Preview Lab

Preview with #0A0B35

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

Preview Lab → · Contrast checker → · Palette generator →