#0F4C5A#0F4C5A

#0F4C5A is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 38.6% C 0.063 H 217.3°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#0F4C5A
RGB	rgb(15, 76, 90)
HSL	hsl(191, 71%, 21%)
HSV	hsv(191, 83%, 35%)
CMYK	cmyk(83.3%, 15.6%, 0%, 64.7%)
CIE-LAB	lab(29.43, -13.28, -13.63)
CIE-LCH	lch(29.43, 19.03, 225.76°)
OKLab	oklab(38.63% -0.05 -0.0381)
OKLCH	oklch(38.63% 0.063 217.3)
XYZ	xyz(4.6261, 6.0081, 10.5867)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4C5A #5A1D0F

analogous

#0F5A42 #0F4C5A #0F265A

triadic

#0F4C5A #5A0F4C #4C5A0F

tetradic

#0F4C5A #420F5A #5A1D0F #265A0F

square

#0F4C5A #420F5A #5A1D0F #265A0F

split-complementary

#0F4C5A #5A0F26 #5A420F

monochromatic

#04161A #062026 #0F4C5A #18788E #20A5C3

Accessibility & contrast

On white

9.54

#0F4C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#0F4C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4C5A

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4C5A	#FFFFFF	#000000	##FFFFFF
##0F4C5A	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43495B

Deuteranopia (green-blind)

#39425A

Tritanopia (blue-blind)

#005150

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #0f4c5a;
/* rgb */ color: rgb(15, 76, 90);
/* oklch */ color: oklch(38.6% 0.063 217.3);

Tailwind

colors: {
  custom: {
    50: '#5c7e88',
    500: '#0f4c5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f4c5a;
$custom-light: #5c7e88;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4c5a",
  "rgb": {
    "r": 15,
    "g": 76,
    "b": 90
  },
  "hsl": {
    "h": 191.2,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38634,
    "c": 0.0629,
    "h": 217.3
  },
  "luminance": 0.06009
}

Semantic roles & 50–950 ramp

primary

#0F4C5A

secondary

#944431

accent

#5B3AEE

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #0F4C5A

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

Preview Lab → · Contrast checker → · Palette generator →