#0F4857#0F4857

#0F4857 is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.4% C 0.061 H 219.9°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#0F4857
RGB	rgb(15, 72, 87)
HSL	hsl(193, 71%, 20%)
HSV	hsv(193, 83%, 34%)
CMYK	cmyk(82.8%, 17.2%, 0%, 65.9%)
CIE-LAB	lab(27.91, -12.02, -14.04)
CIE-LCH	lch(27.91, 18.48, 229.43°)
OKLab	oklab(37.37% -0.0469 -0.0393)
OKLCH	oklch(37.37% 0.061 219.9)
XYZ	xyz(4.2339, 5.4239, 9.8387)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4857 #571E0F

analogous

#0F5742 #0F4857 #0F2457

triadic

#0F4857 #570F48 #48570F

tetradic

#0F4857 #420F57 #571E0F #24570F

square

#0F4857 #420F57 #571E0F #24570F

split-complementary

#0F4857 #570F24 #57420F

monochromatic

#05161A #061D23 #0F4857 #18738B #219EBF

Accessibility & contrast

On white

10.07

#0F4857 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#0F4857 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4857

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4857	#FFFFFF	#000000	##FFFFFF
##0F4857	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4658

Deuteranopia (green-blind)

#353F57

Tritanopia (blue-blind)

#004D4D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #0f4857;
/* rgb */ color: rgb(15, 72, 87);
/* oklch */ color: oklch(37.4% 0.061 219.9);

Tailwind

colors: {
  custom: {
    50: '#5b7b86',
    500: '#0f4857',
    950: '#000000',
  },
}

SCSS

$custom: #0f4857;
$custom-light: #5b7b86;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4857",
  "rgb": {
    "r": 15,
    "g": 72,
    "b": 87
  },
  "hsl": {
    "h": 192.5,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.37366,
    "c": 0.06121,
    "h": 219.9
  },
  "luminance": 0.05424
}

Semantic roles & 50–950 ramp

primary

#0F4857

secondary

#914531

accent

#603AED

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4857

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

Preview Lab → · Contrast checker → · Palette generator →