#0C1751#0C1751

#0C1751 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.106 H 268.4°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#0C1751
RGB	rgb(12, 23, 81)
HSL	hsl(230, 74%, 18%)
HSV	hsv(230, 85%, 32%)
CMYK	cmyk(85.2%, 71.6%, 0%, 68.2%)
CIE-LAB	lab(11.17, 19.60, -36.67)
CIE-LCH	lch(11.17, 41.58, 298.12°)
OKLab	oklab(24.2% -0.003 -0.1061)
OKLCH	oklch(24.2% 0.106 268.4)
XYZ	xyz(1.9427, 1.2848, 7.9286)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1751 #51460C

analogous

#0C3951 #0C1751 #230C51

triadic

#0C1751 #510C17 #17510C

tetradic

#0C1751 #510C39 #51460C #0C5123

square

#0C1751 #510C39 #51460C #0C5123

split-complementary

#0C1751 #51230C #39510C

monochromatic

#04081B #04081C #0C1751 #142686 #1C35BC

Accessibility & contrast

On white

16.71

#0C1751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0C1751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1751

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1751	#FFFFFF	#000000	##FFFFFF
##0C1751	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002153

Deuteranopia (green-blind)

#001B50

Tritanopia (blue-blind)

#002631

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0c1751;
/* rgb */ color: rgb(12, 23, 81);
/* oklch */ color: oklch(24.2% 0.106 268.4);

Tailwind

colors: {
  custom: {
    50: '#595383',
    500: '#0c1751',
    950: '#000000',
  },
}

SCSS

$custom: #0c1751;
$custom-light: #595383;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1751",
  "rgb": {
    "r": 12,
    "g": 23,
    "b": 81
  },
  "hsl": {
    "h": 230.435,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.24196,
    "c": 0.10618,
    "h": 268.4
  },
  "luminance": 0.01285
}

Semantic roles & 50–950 ramp

primary

#0C1751

secondary

#8C7D2C

accent

#D337F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020A

muted

#79787C

Preview Lab

Preview with #0C1751

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

Preview Lab → · Contrast checker → · Palette generator →