#0C033B#0C033B

#0C033B is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.8% C 0.100 H 278.0°. Best body text is #FFFFFF at 19.23:1 contrast (WCAG AA passes).

Color values

HEX	#0C033B
RGB	rgb(12, 3, 59)
HSL	hsl(250, 90%, 12%)
HSV	hsv(250, 95%, 23%)
CMYK	cmyk(79.7%, 94.9%, 0%, 76.9%)
CIE-LAB	lab(4.15, 21.74, -32.70)
CIE-LCH	lch(4.15, 39.27, 303.62°)
OKLab	oklab(17.78% 0.0139 -0.0988)
OKLCH	oklch(17.78% 0.1 278)
XYZ	xyz(0.9733, 0.4590, 4.1741)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C033B #323B03

analogous

#03163B #0C033B #28033B

triadic

#0C033B #3B0C03 #033B0C

tetradic

#0C033B #3B0316 #323B03 #033B28

square

#0C033B #3B0316 #323B03 #033B28

split-complementary

#0C033B #3B2803 #163B03

monochromatic

#06011D #06011D #0C033B #180675 #2409AF

Accessibility & contrast

On white

19.23

#0C033B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0C033B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C033B

19.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C033B	#FFFFFF	#000000	##FFFFFF
##0C033B	1.00	19.23	1.09	19.23
#FFFFFF	19.23	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113D

Deuteranopia (green-blind)

#000C3A

Tritanopia (blue-blind)

#00141F

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0c033b;
/* rgb */ color: rgb(12, 3, 59);
/* oklch */ color: oklch(17.8% 0.100 278.0);

Tailwind

colors: {
  custom: {
    50: '#534772',
    500: '#0c033b',
    950: '#000000',
  },
}

SCSS

$custom: #0c033b;
$custom-light: #534772;
$custom-dark: #000000;

JSON

{
  "hex": "#0c033b",
  "rgb": {
    "r": 12,
    "g": 3,
    "b": 59
  },
  "hsl": {
    "h": 249.643,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.17784,
    "c": 0.09973,
    "h": 278
  },
  "luminance": 0.00459
}

Semantic roles & 50–950 ramp

primary

#0C033B

secondary

#6E7E1C

accent

#FF29DD

background

#F5F3F6

surface

#E9E5EC

border

#C5C1C7

text

#030008

muted

#78777B

Preview Lab

Preview with #0C033B

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

Preview Lab → · Contrast checker → · Palette generator →