#0C3753#0C3753

#0C3753 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.3% C 0.067 H 242.3°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#0C3753
RGB	rgb(12, 55, 83)
HSL	hsl(204, 75%, 19%)
HSV	hsv(204, 86%, 33%)
CMYK	cmyk(85.5%, 33.7%, 0%, 67.5%)
CIE-LAB	lab(21.71, -3.15, -21.07)
CIE-LCH	lch(21.71, 21.31, 261.50°)
OKLab	oklab(32.33% -0.0314 -0.0597)
OKLCH	oklch(32.33% 0.067 242.3)
XYZ	xyz(3.0785, 3.4347, 8.6826)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3753 #53280C

analogous

#0C534B #0C3753 #0C1353

triadic

#0C3753 #530C37 #37530C

tetradic

#0C3753 #4B0C53 #53280C #13530C

square

#0C3753 #4B0C53 #53280C #13530C

split-complementary

#0C3753 #530C13 #534B0C

monochromatic

#04121B #04141E #0C3753 #145A88 #1B7EBE

Accessibility & contrast

On white

12.45

#0C3753 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#0C3753 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3753

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3753	#FFFFFF	#000000	##FFFFFF
##0C3753	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3854

Deuteranopia (green-blind)

#203152

Tritanopia (blue-blind)

#003E41

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0c3753;
/* rgb */ color: rgb(12, 55, 83);
/* oklch */ color: oklch(32.3% 0.067 242.3);

Tailwind

colors: {
  custom: {
    50: '#586d83',
    500: '#0c3753',
    950: '#000000',
  },
}

SCSS

$custom: #0c3753;
$custom-light: #586d83;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3753",
  "rgb": {
    "r": 12,
    "g": 55,
    "b": 83
  },
  "hsl": {
    "h": 203.662,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.32329,
    "c": 0.06748,
    "h": 242.3
  },
  "luminance": 0.03435
}

Semantic roles & 50–950 ramp

primary

#0C3753

secondary

#8E532D

accent

#8036F1

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0C3753

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

Preview Lab → · Contrast checker → · Palette generator →