#0F3C5A#0F3C5A

#0F3C5A is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.071 H 242.7°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#0F3C5A
RGB	rgb(15, 60, 90)
HSL	hsl(204, 71%, 21%)
HSV	hsv(204, 83%, 35%)
CMYK	cmyk(83.3%, 33.3%, 0%, 64.7%)
CIE-LAB	lab(23.90, -3.20, -22.22)
CIE-LCH	lch(23.90, 22.45, 261.81°)
OKLab	oklab(34.22% -0.0326 -0.063)
OKLCH	oklch(34.22% 0.071 242.7)
XYZ	xyz(3.6576, 4.0710, 10.2639)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3C5A #5A2D0F

analogous

#0F5A52 #0F3C5A #0F165A

triadic

#0F3C5A #5A0F3C #3C5A0F

tetradic

#0F3C5A #520F5A #5A2D0F #165A0F

square

#0F3C5A #520F5A #5A2D0F #165A0F

split-complementary

#0F3C5A #5A0F16 #5A520F

monochromatic

#04111A #061926 #0F3C5A #185F8E #2082C3

Accessibility & contrast

On white

11.58

#0F3C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0F3C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3C5A

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3C5A	#FFFFFF	#000000	##FFFFFF
##0F3C5A	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3D5B

Deuteranopia (green-blind)

#243659

Tritanopia (blue-blind)

#004347

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0f3c5a;
/* rgb */ color: rgb(15, 60, 90);
/* oklch */ color: oklch(34.2% 0.071 242.7);

Tailwind

colors: {
  custom: {
    50: '#5b7189',
    500: '#0f3c5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f3c5a;
$custom-light: #5b7189;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3c5a",
  "rgb": {
    "r": 15,
    "g": 60,
    "b": 90
  },
  "hsl": {
    "h": 204,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.3422,
    "c": 0.07092,
    "h": 242.7
  },
  "luminance": 0.04071
}

Semantic roles & 50–950 ramp

primary

#0F3C5A

secondary

#945931

accent

#823AEE

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3C5A

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

Preview Lab → · Contrast checker → · Palette generator →