#0F3C4E#0F3C4E

#0F3C4E is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.5% C 0.057 H 229.0°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#0F3C4E
RGB	rgb(15, 60, 78)
HSL	hsl(197, 68%, 18%)
HSV	hsv(197, 81%, 31%)
CMYK	cmyk(80.8%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(23.28, -8.08, -15.29)
CIE-LCH	lch(23.28, 17.29, 242.17°)
OKLab	oklab(33.52% -0.0373 -0.0429)
OKLCH	oklch(33.52% 0.057 229)
XYZ	xyz(3.1874, 3.8830, 7.7877)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3C4E #4E210F

analogous

#0F4E40 #0F3C4E #0F1C4E

triadic

#0F3C4E #4E0F3C #3C4E0F

tetradic

#0F3C4E #400F4E #4E210F #1C4E0F

square

#0F3C4E #400F4E #4E210F #1C4E0F

split-complementary

#0F3C4E #4E0F1C #4E400F

monochromatic

#05141A #05151B #0F3C4E #196381 #238BB5

Accessibility & contrast

On white

11.82

#0F3C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0F3C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3C4E

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3C4E	#FFFFFF	#000000	##FFFFFF
##0F3C4E	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4F

Deuteranopia (green-blind)

#2A354E

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0f3c4e;
/* rgb */ color: rgb(15, 60, 78);
/* oklch */ color: oklch(33.5% 0.057 229.0);

Tailwind

colors: {
  custom: {
    50: '#58717f',
    500: '#0f3c4e',
    950: '#000000',
  },
}

SCSS

$custom: #0f3c4e;
$custom-light: #58717f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3c4e",
  "rgb": {
    "r": 15,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 197.143,
    "s": 67.742,
    "l": 18.235
  },
  "oklch": {
    "l": 0.33518,
    "c": 0.05685,
    "h": 229
  },
  "luminance": 0.03883
}

Semantic roles & 50–950 ramp

primary

#0F3C4E

secondary

#884A31

accent

#6F3DEB

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0F3C4E

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

Preview Lab → · Contrast checker → · Palette generator →