#0A0535#0A0535

#0A0535 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.2% C 0.089 H 277.1°. Best body text is #FFFFFF at 19.34:1 contrast (WCAG AA passes).

Color values

HEX	#0A0535
RGB	rgb(10, 5, 53)
HSL	hsl(246, 83%, 11%)
HSV	hsv(246, 91%, 21%)
CMYK	cmyk(81.1%, 90.6%, 0%, 79.2%)
CIE-LAB	lab(3.88, 16.92, -28.74)
CIE-LCH	lch(3.88, 33.35, 300.49°)
OKLab	oklab(17.2% 0.011 -0.0881)
OKLCH	oklch(17.2% 0.089 277.1)
XYZ	xyz(0.8218, 0.4300, 3.4072)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0535 #303505

analogous

#051835 #0A0535 #220535

triadic

#0A0535 #350A05 #05350A

tetradic

#0A0535 #350518 #303505 #053522

square

#0A0535 #350518 #303505 #053522

split-complementary

#0A0535 #352205 #183505

monochromatic

#05031C #05031C #0A0535 #150A6D #1F10A5

Accessibility & contrast

On white

19.34

#0A0535 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0A0535 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0535

19.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0535	#FFFFFF	#000000	##FFFFFF
##0A0535	1.00	19.34	1.09	19.34
#FFFFFF	19.34	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001036

Deuteranopia (green-blind)

#000C34

Tritanopia (blue-blind)

#00131C

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0a0535;
/* rgb */ color: rgb(10, 5, 53);
/* oklch */ color: oklch(17.2% 0.089 277.1);

Tailwind

colors: {
  custom: {
    50: '#4f486d',
    500: '#0a0535',
    950: '#000000',
  },
}

SCSS

$custom: #0a0535;
$custom-light: #4f486d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0535",
  "rgb": {
    "r": 10,
    "g": 5,
    "b": 53
  },
  "hsl": {
    "h": 246.25,
    "s": 82.759,
    "l": 11.373
  },
  "oklch": {
    "l": 0.17204,
    "c": 0.08882,
    "h": 277.1
  },
  "luminance": 0.0043
}

Semantic roles & 50–950 ramp

primary

#0A0535

secondary

#6D7620

accent

#F92FE4

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0A0535

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

Preview Lab → · Contrast checker → · Palette generator →