#0F3C4F#0F3C4F

#0F3C4F is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.058 H 230.5°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#0F3C4F
RGB	rgb(15, 60, 79)
HSL	hsl(198, 68%, 18%)
HSV	hsv(198, 81%, 31%)
CMYK	cmyk(81%, 24.1%, 0%, 69%)
CIE-LAB	lab(23.33, -7.68, -15.88)
CIE-LCH	lch(23.33, 17.64, 244.20°)
OKLab	oklab(33.57% -0.0368 -0.0446)
OKLCH	oklch(33.57% 0.058 230.5)
XYZ	xyz(3.2236, 3.8974, 7.9780)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3C4F #4F220F

analogous

#0F4F42 #0F3C4F #0F1C4F

triadic

#0F3C4F #4F0F3C #3C4F0F

tetradic

#0F3C4F #420F4F #4F220F #1C4F0F

square

#0F3C4F #420F4F #4F220F #1C4F0F

split-complementary

#0F3C4F #4F0F1C #4F420F

monochromatic

#05141A #05151C #0F3C4F #196382 #238AB6

Accessibility & contrast

On white

11.80

#0F3C4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0F3C4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3C4F

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3C4F	#FFFFFF	#000000	##FFFFFF
##0F3C4F	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323B50

Deuteranopia (green-blind)

#2A354F

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3c4f;
/* rgb */ color: rgb(15, 60, 79);
/* oklch */ color: oklch(33.6% 0.058 230.5);

Tailwind

colors: {
  custom: {
    50: '#587180',
    500: '#0f3c4f',
    950: '#000000',
  },
}

SCSS

$custom: #0f3c4f;
$custom-light: #587180;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3c4f",
  "rgb": {
    "r": 15,
    "g": 60,
    "b": 79
  },
  "hsl": {
    "h": 197.813,
    "s": 68.085,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33573,
    "c": 0.05786,
    "h": 230.5
  },
  "luminance": 0.03898
}

Semantic roles & 50–950 ramp

primary

#0F3C4F

secondary

#894B31

accent

#713DEB

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0F3C4F

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

Preview Lab → · Contrast checker → · Palette generator →