#0C0739#0C0739

#0C0739 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.3% C 0.091 H 277.2°. Best body text is #FFFFFF at 19.00:1 contrast (WCAG AA passes).

Color values

HEX	#0C0739
RGB	rgb(12, 7, 57)
HSL	hsl(246, 78%, 13%)
HSV	hsv(246, 88%, 22%)
CMYK	cmyk(78.9%, 87.7%, 0%, 77.6%)
CIE-LAB	lab(4.75, 18.88, -30.27)
CIE-LCH	lch(4.75, 35.68, 301.95°)
OKLab	oklab(18.32% 0.0114 -0.0904)
OKLCH	oklch(18.32% 0.091 277.2)
XYZ	xyz(0.9659, 0.5254, 3.9206)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C0739 #343907

analogous

#071B39 #0C0739 #250739

triadic

#0C0739 #390C07 #07390C

tetradic

#0C0739 #39071B #343907 #073925

square

#0C0739 #39071B #343907 #073925

split-complementary

#0C0739 #392507 #1B3907

monochromatic

#06031B #06031B #0C0739 #170E70 #2314A6

Accessibility & contrast

On white

19.00

#0C0739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0C0739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C0739

19.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C0739	#FFFFFF	#000000	##FFFFFF
##0C0739	1.00	19.00	1.11	19.00
#FFFFFF	19.00	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	19.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123A

Deuteranopia (green-blind)

#000E38

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0c0739;
/* rgb */ color: rgb(12, 7, 57);
/* oklch */ color: oklch(18.3% 0.091 277.2);

Tailwind

colors: {
  custom: {
    50: '#524970',
    500: '#0c0739',
    950: '#000000',
  },
}

SCSS

$custom: #0c0739;
$custom-light: #524970;
$custom-dark: #000000;

JSON

{
  "hex": "#0c0739",
  "rgb": {
    "r": 12,
    "g": 7,
    "b": 57
  },
  "hsl": {
    "h": 246,
    "s": 78.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.1832,
    "c": 0.09109,
    "h": 277.2
  },
  "luminance": 0.00526
}

Semantic roles & 50–950 ramp

primary

#0C0739

secondary

#707923

accent

#F533E1

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#030007

muted

#78777A

Preview Lab

Preview with #0C0739

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

Preview Lab → · Contrast checker → · Palette generator →