#0C043F#0C043F

#0C043F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.5% C 0.104 H 276.4°. Best body text is #FFFFFF at 19.01:1 contrast (WCAG AA passes).

Color values

HEX	#0C043F
RGB	rgb(12, 4, 63)
HSL	hsl(248, 88%, 13%)
HSV	hsv(248, 94%, 25%)
CMYK	cmyk(81%, 93.7%, 0%, 75.3%)
CIE-LAB	lab(4.73, 23.46, -34.64)
CIE-LCH	lch(4.73, 41.84, 304.11°)
OKLab	oklab(18.54% 0.0116 -0.103)
OKLCH	oklch(18.54% 0.104 276.4)
XYZ	xyz(1.0919, 0.5238, 4.7452)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.35

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C043F #373F04

analogous

#04193F #0C043F #29043F

triadic

#0C043F #3F0C04 #043F0C

tetradic

#0C043F #3F0419 #373F04 #043F29

square

#0C043F #3F0419 #373F04 #043F29

split-complementary

#0C043F #3F2904 #193F04

monochromatic

#05021D #05021D #0C043F #170879 #220BB2

Accessibility & contrast

On white

19.01

#0C043F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0C043F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C043F

19.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C043F	#FFFFFF	#000000	##FFFFFF
##0C043F	1.00	19.01	1.10	19.01
#FFFFFF	19.01	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001341

Deuteranopia (green-blind)

#000D3E

Tritanopia (blue-blind)

#001622

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0c043f;
/* rgb */ color: rgb(12, 4, 63);
/* oklch */ color: oklch(18.5% 0.104 276.4);

Tailwind

colors: {
  custom: {
    50: '#544775',
    500: '#0c043f',
    950: '#000000',
  },
}

SCSS

$custom: #0c043f;
$custom-light: #544775;
$custom-dark: #000000;

JSON

{
  "hex": "#0c043f",
  "rgb": {
    "r": 12,
    "g": 4,
    "b": 63
  },
  "hsl": {
    "h": 248.136,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.18543,
    "c": 0.10365,
    "h": 276.4
  },
  "luminance": 0.00524
}

Semantic roles & 50–950 ramp

primary

#0C043F

secondary

#73801E

accent

#FE2AE1

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0C043F

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

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