#0F455C#0F455C

#0F455C is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.8% C 0.067 H 231.5°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#0F455C
RGB	rgb(15, 69, 92)
HSL	hsl(198, 72%, 21%)
HSV	hsv(198, 84%, 36%)
CMYK	cmyk(83.7%, 25%, 0%, 63.9%)
CIE-LAB	lab(27.10, -8.23, -18.52)
CIE-LCH	lch(27.10, 20.27, 246.04°)
OKLab	oklab(36.8% -0.0415 -0.0521)
OKLCH	oklch(36.8% 0.067 231.5)
XYZ	xyz(4.2561, 5.1300, 10.8890)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F455C #5C260F

analogous

#0F5C4C #0F455C #0F1E5C

triadic

#0F455C #5C0F45 #455C0F

tetradic

#0F455C #4C0F5C #5C260F #1E5C0F

square

#0F455C #4C0F5C #5C260F #1E5C0F

split-complementary

#0F455C #5C0F1E #5C4C0F

monochromatic

#04141A #061E27 #0F455C #186C91 #2094C5

Accessibility & contrast

On white

10.36

#0F455C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#0F455C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F455C

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F455C	#FFFFFF	#000000	##FFFFFF
##0F455C	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39445D

Deuteranopia (green-blind)

#2F3D5C

Tritanopia (blue-blind)

#004B4D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #0f455c;
/* rgb */ color: rgb(15, 69, 92);
/* oklch */ color: oklch(36.8% 0.067 231.5);

Tailwind

colors: {
  custom: {
    50: '#5c788a',
    500: '#0f455c',
    950: '#000000',
  },
}

SCSS

$custom: #0f455c;
$custom-light: #5c788a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f455c",
  "rgb": {
    "r": 15,
    "g": 69,
    "b": 92
  },
  "hsl": {
    "h": 197.922,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.36796,
    "c": 0.06664,
    "h": 231.5
  },
  "luminance": 0.05131
}

Semantic roles & 50–950 ramp

primary

#0F455C

secondary

#954F31

accent

#6F39EF

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F455C

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

Preview Lab → · Contrast checker → · Palette generator →