#0A0A35#0A0A35

#0A0A35 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.2% C 0.081 H 274.7°. Best body text is #FFFFFF at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#0A0A35
RGB	rgb(10, 10, 53)
HSL	hsl(240, 68%, 12%)
HSV	hsv(240, 81%, 21%)
CMYK	cmyk(81.1%, 81.1%, 0%, 79.2%)
CIE-LAB	lab(4.87, 14.90, -27.16)
CIE-LCH	lch(4.87, 30.98, 298.75°)
OKLab	oklab(18.25% 0.0067 -0.0811)
OKLCH	oklch(18.25% 0.081 274.7)
XYZ	xyz(0.8761, 0.5386, 3.4253)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0A35 #35350A

analogous

#0A2035 #0A0A35 #200A35

triadic

#0A0A35 #350A0A #0A350A

tetradic

#0A0A35 #350A20 #35350A #0A3520

square

#0A0A35 #350A20 #35350A #0A3520

split-complementary

#0A0A35 #35200A #20350A

monochromatic

#05051A #05051A #0A0A35 #141468 #1D1D9C

Accessibility & contrast

On white

18.96

#0A0A35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0A0A35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0A35

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0A35	#FFFFFF	#000000	##FFFFFF
##0A0A35	1.00	18.96	1.11	18.96
#FFFFFF	18.96	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001236

Deuteranopia (green-blind)

#000E34

Tritanopia (blue-blind)

#00161E

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0a0a35;
/* rgb */ color: rgb(10, 10, 53);
/* oklch */ color: oklch(18.2% 0.081 274.7);

Tailwind

colors: {
  custom: {
    50: '#4f4a6d',
    500: '#0a0a35',
    950: '#000000',
  },
}

SCSS

$custom: #0a0a35;
$custom-light: #4f4a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0a35",
  "rgb": {
    "r": 10,
    "g": 10,
    "b": 53
  },
  "hsl": {
    "h": 240,
    "s": 68.254,
    "l": 12.353
  },
  "oklch": {
    "l": 0.18247,
    "c": 0.08141,
    "h": 274.7
  },
  "luminance": 0.00539
}

Semantic roles & 50–950 ramp

primary

#0A0A35

secondary

#727228

accent

#EB3DEB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020107

muted

#78777A

Preview Lab

Preview with #0A0A35

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

Preview Lab → · Contrast checker → · Palette generator →