#0C3F53#0C3F53

#0C3F53 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.062 H 229.5°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#0C3F53
RGB	rgb(12, 63, 83)
HSL	hsl(197, 75%, 19%)
HSV	hsv(197, 86%, 33%)
CMYK	cmyk(85.5%, 24.1%, 0%, 67.5%)
CIE-LAB	lab(24.50, -8.40, -16.70)
CIE-LCH	lch(24.50, 18.70, 243.29°)
OKLab	oklab(34.56% -0.0401 -0.047)
OKLCH	oklch(34.56% 0.062 229.5)
XYZ	xyz(3.4898, 4.2573, 8.8197)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3F53 #53200C

analogous

#0C5343 #0C3F53 #0C1B53

triadic

#0C3F53 #530C3F #3F530C

tetradic

#0C3F53 #430C53 #53200C #1B530C

square

#0C3F53 #430C53 #53200C #1B530C

split-complementary

#0C3F53 #530C1B #53430C

monochromatic

#04141B #04161E #0C3F53 #146888 #1B90BE

Accessibility & contrast

On white

11.34

#0C3F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0C3F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3F53

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3F53	#FFFFFF	#000000	##FFFFFF
##0C3F53	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E54

Deuteranopia (green-blind)

#2B3753

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0c3f53;
/* rgb */ color: rgb(12, 63, 83);
/* oklch */ color: oklch(34.6% 0.062 229.5);

Tailwind

colors: {
  custom: {
    50: '#587483',
    500: '#0c3f53',
    950: '#000000',
  },
}

SCSS

$custom: #0c3f53;
$custom-light: #587483;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3f53",
  "rgb": {
    "r": 12,
    "g": 63,
    "b": 83
  },
  "hsl": {
    "h": 196.901,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.34555,
    "c": 0.06174,
    "h": 229.5
  },
  "luminance": 0.04258
}

Semantic roles & 50–950 ramp

primary

#0C3F53

secondary

#8E482D

accent

#6B36F1

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0C3F53

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

Preview Lab → · Contrast checker → · Palette generator →