#0C154B#0C154B

#0C154B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.100 H 269.3°. Best body text is #FFFFFF at 17.15:1 contrast (WCAG AA passes).

Color values

HEX	#0C154B
RGB	rgb(12, 21, 75)
HSL	hsl(231, 72%, 17%)
HSV	hsv(231, 84%, 29%)
CMYK	cmyk(84%, 72%, 0%, 70.6%)
CIE-LAB	lab(9.97, 18.54, -34.50)
CIE-LCH	lch(9.97, 39.17, 298.25°)
OKLab	oklab(23.13% -0.0013 -0.0998)
OKLCH	oklch(23.13% 0.1 269.3)
XYZ	xyz(1.6893, 1.1223, 6.7828)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C154B #4B420C

analogous

#0C354B #0C154B #230C4B

triadic

#0C154B #4B0C15 #154B0C

tetradic

#0C154B #4B0C35 #4B420C #0C4B23

square

#0C154B #4B0C35 #4B420C #0C4B23

split-complementary

#0C154B #4B230C #354B0C

monochromatic

#04071A #04071A #0C154B #142480 #1D33B5

Accessibility & contrast

On white

17.15

#0C154B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0C154B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C154B

17.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C154B	#FFFFFF	#000000	##FFFFFF
##0C154B	1.00	17.15	1.22	17.15
#FFFFFF	17.15	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4D

Deuteranopia (green-blind)

#00184A

Tritanopia (blue-blind)

#00232D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0c154b;
/* rgb */ color: rgb(12, 21, 75);
/* oklch */ color: oklch(23.1% 0.100 269.3);

Tailwind

colors: {
  custom: {
    50: '#57527e',
    500: '#0c154b',
    950: '#000000',
  },
}

SCSS

$custom: #0c154b;
$custom-light: #57527e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c154b",
  "rgb": {
    "r": 12,
    "g": 21,
    "b": 75
  },
  "hsl": {
    "h": 231.429,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.23125,
    "c": 0.09983,
    "h": 269.3
  },
  "luminance": 0.01122
}

Semantic roles & 50–950 ramp

primary

#0C154B

secondary

#877A2C

accent

#D539EF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0C154B

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

Preview Lab → · Contrast checker → · Palette generator →