#0C0437#0C0437

#0C0437 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.4% C 0.093 H 279.1°. Best body text is #FFFFFF at 19.30:1 contrast (WCAG AA passes).

Color values

HEX	#0C0437
RGB	rgb(12, 4, 55)
HSL	hsl(249, 86%, 12%)
HSV	hsv(249, 93%, 22%)
CMYK	cmyk(78.2%, 92.7%, 0%, 78.4%)
CIE-LAB	lab(3.98, 19.04, -30.05)
CIE-LCH	lch(3.98, 35.57, 302.36°)
OKLab	oklab(17.44% 0.0147 -0.0916)
OKLCH	oklch(17.44% 0.093 279.1)
XYZ	xyz(0.8844, 0.4408, 3.6522)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C0437 #2F3704

analogous

#041637 #0C0437 #260437

triadic

#0C0437 #370C04 #04370C

tetradic

#0C0437 #370416 #2F3704 #043726

square

#0C0437 #370416 #2F3704 #043726

split-complementary

#0C0437 #372604 #163704

monochromatic

#06021D #06021D #0C0437 #180870 #250CA9

Accessibility & contrast

On white

19.30

#0C0437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0C0437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C0437

19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C0437	#FFFFFF	#000000	##FFFFFF
##0C0437	1.00	19.30	1.09	19.30
#FFFFFF	19.30	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001038

Deuteranopia (green-blind)

#000C36

Tritanopia (blue-blind)

#00131D

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0c0437;
/* rgb */ color: rgb(12, 4, 55);
/* oklch */ color: oklch(17.4% 0.093 279.1);

Tailwind

colors: {
  custom: {
    50: '#51476e',
    500: '#0c0437',
    950: '#000000',
  },
}

SCSS

$custom: #0c0437;
$custom-light: #51476e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c0437",
  "rgb": {
    "r": 12,
    "g": 4,
    "b": 55
  },
  "hsl": {
    "h": 249.412,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.17442,
    "c": 0.09273,
    "h": 279.1
  },
  "luminance": 0.00441
}

Semantic roles & 50–950 ramp

primary

#0C0437

secondary

#6B791E

accent

#FD2BDC

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #0C0437

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

Preview Lab → · Contrast checker → · Palette generator →