#0F4151#0F4151

#0F4151 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.1% C 0.058 H 223.9°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#0F4151
RGB	rgb(15, 65, 81)
HSL	hsl(195, 69%, 19%)
HSV	hsv(195, 81%, 32%)
CMYK	cmyk(81.5%, 19.8%, 0%, 68.2%)
CIE-LAB	lab(25.19, -10.05, -14.33)
CIE-LCH	lch(25.19, 17.50, 234.96°)
OKLab	oklab(35.09% -0.0417 -0.0401)
OKLCH	oklch(35.09% 0.058 223.9)
XYZ	xyz(3.5719, 4.4758, 8.4587)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4151 #511F0F

analogous

#0F5140 #0F4151 #0F2051

triadic

#0F4151 #510F41 #41510F

tetradic

#0F4151 #400F51 #511F0F #20510F

square

#0F4151 #400F51 #511F0F #20510F

split-complementary

#0F4151 #510F20 #51400F

monochromatic

#05151A #05181D #0F4151 #196A85 #2294B8

Accessibility & contrast

On white

11.08

#0F4151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#0F4151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4151

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4151	#FFFFFF	#000000	##FFFFFF
##0F4151	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383F52

Deuteranopia (green-blind)

#2F3951

Tritanopia (blue-blind)

#004646

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #0f4151;
/* rgb */ color: rgb(15, 65, 81);
/* oklch */ color: oklch(35.1% 0.058 223.9);

Tailwind

colors: {
  custom: {
    50: '#597582',
    500: '#0f4151',
    950: '#000000',
  },
}

SCSS

$custom: #0f4151;
$custom-light: #597582;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4151",
  "rgb": {
    "r": 15,
    "g": 65,
    "b": 81
  },
  "hsl": {
    "h": 194.545,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.3509,
    "c": 0.05788,
    "h": 223.9
  },
  "luminance": 0.04476
}

Semantic roles & 50–950 ramp

primary

#0F4151

secondary

#8B4731

accent

#673CEC

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0F4151

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

Preview Lab → · Contrast checker → · Palette generator →