#0C124B#0C124B

#0C124B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.5% C 0.104 H 270.4°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#0C124B
RGB	rgb(12, 18, 75)
HSL	hsl(234, 72%, 17%)
HSV	hsv(234, 84%, 29%)
CMYK	cmyk(84%, 76%, 0%, 70.6%)
CIE-LAB	lab(9.15, 20.75, -35.86)
CIE-LCH	lch(9.15, 41.43, 300.06°)
OKLab	oklab(22.52% 0.0007 -0.1038)
OKLCH	oklch(22.52% 0.104 270.4)
XYZ	xyz(1.6375, 1.0186, 6.7656)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C124B #4B450C

analogous

#0C324B #0C124B #260C4B

triadic

#0C124B #4B0C12 #124B0C

tetradic

#0C124B #4B0C32 #4B450C #0C4B26

square

#0C124B #4B0C32 #4B450C #0C4B26

split-complementary

#0C124B #4B260C #324B0C

monochromatic

#04061A #04061A #0C124B #141F80 #1D2BB5

Accessibility & contrast

On white

17.44

#0C124B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0C124B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C124B

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C124B	#FFFFFF	#000000	##FFFFFF
##0C124B	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4D

Deuteranopia (green-blind)

#00174A

Tritanopia (blue-blind)

#00222C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0c124b;
/* rgb */ color: rgb(12, 18, 75);
/* oklch */ color: oklch(22.5% 0.104 270.4);

Tailwind

colors: {
  custom: {
    50: '#57507e',
    500: '#0c124b',
    950: '#000000',
  },
}

SCSS

$custom: #0c124b;
$custom-light: #57507e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c124b",
  "rgb": {
    "r": 12,
    "g": 18,
    "b": 75
  },
  "hsl": {
    "h": 234.286,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.22523,
    "c": 0.1038,
    "h": 270.4
  },
  "luminance": 0.01019
}

Semantic roles & 50–950 ramp

primary

#0C124B

secondary

#877E2C

accent

#DE39EF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0C124B

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

Preview Lab → · Contrast checker → · Palette generator →