#0F4957#0F4957

#0F4957 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 37.6% C 0.061 H 218.1°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#0F4957
RGB	rgb(15, 73, 87)
HSL	hsl(192, 71%, 20%)
HSV	hsv(192, 83%, 34%)
CMYK	cmyk(82.8%, 16.1%, 0%, 65.9%)
CIE-LAB	lab(28.26, -12.62, -13.51)
CIE-LCH	lch(28.26, 18.49, 226.94°)
OKLab	oklab(37.65% -0.0481 -0.0377)
OKLCH	oklch(37.65% 0.061 218.1)
XYZ	xyz(4.2991, 5.5542, 9.8605)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4957 #571D0F

analogous

#0F5741 #0F4957 #0F2557

triadic

#0F4957 #570F49 #49570F

tetradic

#0F4957 #410F57 #571D0F #25570F

square

#0F4957 #410F57 #571D0F #25570F

split-complementary

#0F4957 #570F25 #57410F

monochromatic

#05161A #061D23 #0F4957 #18758B #21A1BF

Accessibility & contrast

On white

9.95

#0F4957 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#0F4957 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4957

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4957	#FFFFFF	#000000	##FFFFFF
##0F4957	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404758

Deuteranopia (green-blind)

#364057

Tritanopia (blue-blind)

#004E4D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #0f4957;
/* rgb */ color: rgb(15, 73, 87);
/* oklch */ color: oklch(37.6% 0.061 218.1);

Tailwind

colors: {
  custom: {
    50: '#5b7c86',
    500: '#0f4957',
    950: '#000000',
  },
}

SCSS

$custom: #0f4957;
$custom-light: #5b7c86;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4957",
  "rgb": {
    "r": 15,
    "g": 73,
    "b": 87
  },
  "hsl": {
    "h": 191.667,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.37646,
    "c": 0.06111,
    "h": 218.1
  },
  "luminance": 0.05555
}

Semantic roles & 50–950 ramp

primary

#0F4957

secondary

#914431

accent

#5D3AED

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4957

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

Preview Lab → · Contrast checker → · Palette generator →