#0C033F#0C033F

#0C033F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.4% C 0.105 H 276.7°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#0C033F
RGB	rgb(12, 3, 63)
HSL	hsl(249, 91%, 13%)
HSV	hsv(249, 95%, 25%)
CMYK	cmyk(81%, 95.2%, 0%, 75.3%)
CIE-LAB	lab(4.54, 23.93, -34.96)
CIE-LCH	lch(4.54, 42.37, 304.39°)
OKLab	oklab(18.35% 0.0122 -0.1043)
OKLCH	oklch(18.35% 0.105 276.7)
XYZ	xyz(1.0811, 0.5021, 4.7416)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.23

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C033F #363F03

analogous

#03183F #0C033F #2A033F

triadic

#0C033F #3F0C03 #033F0C

tetradic

#0C033F #3F0318 #363F03 #033F2A

square

#0C033F #3F0318 #363F03 #033F2A

split-complementary

#0C033F #3F2A03 #183F03

monochromatic

#06011D #06011D #0C033F #170679 #2209B4

Accessibility & contrast

On white

19.08

#0C033F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0C033F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C033F

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C033F	#FFFFFF	#000000	##FFFFFF
##0C033F	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001241

Deuteranopia (green-blind)

#000D3E

Tritanopia (blue-blind)

#001622

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0c033f;
/* rgb */ color: rgb(12, 3, 63);
/* oklch */ color: oklch(18.4% 0.105 276.7);

Tailwind

colors: {
  custom: {
    50: '#544675',
    500: '#0c033f',
    950: '#000000',
  },
}

SCSS

$custom: #0c033f;
$custom-light: #544675;
$custom-dark: #000000;

JSON

{
  "hex": "#0c033f",
  "rgb": {
    "r": 12,
    "g": 3,
    "b": 63
  },
  "hsl": {
    "h": 249,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.1835,
    "c": 0.10504,
    "h": 276.7
  },
  "luminance": 0.00502
}

Semantic roles & 50–950 ramp

primary

#0C033F

secondary

#72811D

accent

#FF29DF

background

#F5F3F7

surface

#E9E5ED

border

#C5C1C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0C033F

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

Preview Lab → · Contrast checker → · Palette generator →