#0C174A#0C174A

#0C174A is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.4% C 0.096 H 268.4°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#0C174A
RGB	rgb(12, 23, 74)
HSL	hsl(229, 72%, 17%)
HSV	hsv(229, 84%, 29%)
CMYK	cmyk(83.8%, 68.9%, 0%, 71%)
CIE-LAB	lab(10.45, 16.60, -33.03)
CIE-LCH	lch(10.45, 36.97, 296.68°)
OKLab	oklab(23.44% -0.0027 -0.0955)
OKLCH	oklch(23.44% 0.096 268.4)
XYZ	xyz(1.6936, 1.1852, 6.6167)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C174A #4A3F0C

analogous

#0C364A #0C174A #200C4A

triadic

#0C174A #4A0C17 #174A0C

tetradic

#0C174A #4A0C36 #4A3F0C #0C4A20

square

#0C174A #4A0C36 #4A3F0C #0C4A20

split-complementary

#0C174A #4A200C #364A0C

monochromatic

#04081A #04081A #0C174A #15277F #1D38B3

Accessibility & contrast

On white

16.98

#0C174A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0C174A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C174A

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C174A	#FFFFFF	#000000	##FFFFFF
##0C174A	1.00	16.98	1.24	16.98
#FFFFFF	16.98	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4C

Deuteranopia (green-blind)

#001A49

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0c174a;
/* rgb */ color: rgb(12, 23, 74);
/* oklch */ color: oklch(23.4% 0.096 268.4);

Tailwind

colors: {
  custom: {
    50: '#56537d',
    500: '#0c174a',
    950: '#000000',
  },
}

SCSS

$custom: #0c174a;
$custom-light: #56537d;
$custom-dark: #000000;

JSON

{
  "hex": "#0c174a",
  "rgb": {
    "r": 12,
    "g": 23,
    "b": 74
  },
  "hsl": {
    "h": 229.355,
    "s": 72.093,
    "l": 16.863
  },
  "oklch": {
    "l": 0.23444,
    "c": 0.09552,
    "h": 268.4
  },
  "luminance": 0.01185
}

Semantic roles & 50–950 ramp

primary

#0C174A

secondary

#86762C

accent

#CF39EF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#03020A

muted

#78787C

Preview Lab

Preview with #0C174A

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

Preview Lab → · Contrast checker → · Palette generator →