#0F4155#0F4155

#0F4155 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.062 H 229.5°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#0F4155
RGB	rgb(15, 65, 85)
HSL	hsl(197, 70%, 20%)
HSV	hsv(197, 82%, 33%)
CMYK	cmyk(82.4%, 23.5%, 0%, 66.7%)
CIE-LAB	lab(25.37, -8.48, -16.65)
CIE-LCH	lch(25.37, 18.69, 243.01°)
OKLab	oklab(35.3% -0.04 -0.0468)
OKLCH	oklch(35.3% 0.062 229.5)
XYZ	xyz(3.7263, 4.5376, 9.2720)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4155 #55230F

analogous

#0F5546 #0F4155 #0F1E55

triadic

#0F4155 #550F41 #41550F

tetradic

#0F4155 #460F55 #55230F #1E550F

square

#0F4155 #460F55 #55230F #1E550F

split-complementary

#0F4155 #550F1E #55460F

monochromatic

#05141A #061921 #0F4155 #186989 #2191BD

Accessibility & contrast

On white

11.01

#0F4155 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#0F4155 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4155

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4155	#FFFFFF	#000000	##FFFFFF
##0F4155	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374056

Deuteranopia (green-blind)

#2D3955

Tritanopia (blue-blind)

#004748

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #0f4155;
/* rgb */ color: rgb(15, 65, 85);
/* oklch */ color: oklch(35.3% 0.062 229.5);

Tailwind

colors: {
  custom: {
    50: '#5a7585',
    500: '#0f4155',
    950: '#000000',
  },
}

SCSS

$custom: #0f4155;
$custom-light: #5a7585;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4155",
  "rgb": {
    "r": 15,
    "g": 65,
    "b": 85
  },
  "hsl": {
    "h": 197.143,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.35303,
    "c": 0.06155,
    "h": 229.5
  },
  "luminance": 0.04538
}

Semantic roles & 50–950 ramp

primary

#0F4155

secondary

#8F4C31

accent

#6E3BED

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F4155

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

Preview Lab → · Contrast checker → · Palette generator →