#0C0440#0C0440

#0C0440 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.7% C 0.105 H 276.1°. Best body text is #FFFFFF at 18.97:1 contrast (WCAG AA passes).

Color values

HEX	#0C0440
RGB	rgb(12, 4, 64)
HSL	hsl(248, 88%, 13%)
HSV	hsv(248, 94%, 25%)
CMYK	cmyk(81.2%, 93.8%, 0%, 74.9%)
CIE-LAB	lab(4.83, 23.98, -35.19)
CIE-LCH	lch(4.83, 42.58, 304.28°)
OKLab	oklab(18.68% 0.0112 -0.1044)
OKLCH	oklch(18.68% 0.105 276.1)
XYZ	xyz(1.1201, 0.5351, 4.8937)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.12

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C0440 #384004

analogous

#041A40 #0C0440 #2A0440

triadic

#0C0440 #400C04 #04400C

tetradic

#0C0440 #40041A #384004 #04402A

square

#0C0440 #40041A #384004 #04402A

split-complementary

#0C0440 #402A04 #1A4004

monochromatic

#05021D #05021D #0C0440 #17087A #220BB3

Accessibility & contrast

On white

18.97

#0C0440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0C0440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C0440

18.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C0440	#FFFFFF	#000000	##FFFFFF
##0C0440	1.00	18.97	1.11	18.97
#FFFFFF	18.97	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001342

Deuteranopia (green-blind)

#000E3F

Tritanopia (blue-blind)

#001723

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0c0440;
/* rgb */ color: rgb(12, 4, 64);
/* oklch */ color: oklch(18.7% 0.105 276.1);

Tailwind

colors: {
  custom: {
    50: '#554776',
    500: '#0c0440',
    950: '#000000',
  },
}

SCSS

$custom: #0c0440;
$custom-light: #554776;
$custom-dark: #000000;

JSON

{
  "hex": "#0c0440",
  "rgb": {
    "r": 12,
    "g": 4,
    "b": 64
  },
  "hsl": {
    "h": 248,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.18682,
    "c": 0.10499,
    "h": 276.1
  },
  "luminance": 0.00535
}

Semantic roles & 50–950 ramp

primary

#0C0440

secondary

#74811F

accent

#FE29E2

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0C0440

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

Preview Lab → · Contrast checker → · Palette generator →