#0F4A5B#0F4A5B

#0F4A5B is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.1% C 0.064 H 222.1°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#0F4A5B
RGB	rgb(15, 74, 91)
HSL	hsl(193, 72%, 21%)
HSV	hsv(193, 84%, 36%)
CMYK	cmyk(83.5%, 18.7%, 0%, 64.3%)
CIE-LAB	lab(28.78, -11.70, -15.27)
CIE-LCH	lch(28.78, 19.24, 232.54°)
OKLab	oklab(38.13% -0.0474 -0.0428)
OKLCH	oklch(38.13% 0.064 222.1)
XYZ	xyz(4.5333, 5.7539, 10.7672)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4A5B #5B200F

analogous

#0F5B46 #0F4A5B #0F245B

triadic

#0F4A5B #5B0F4A #4A5B0F

tetradic

#0F4A5B #460F5B #5B200F #245B0F

square

#0F4A5B #460F5B #5B200F #245B0F

split-complementary

#0F4A5B #5B0F24 #5B460F

monochromatic

#04151A #061F26 #0F4A5B #187590 #209FC4

Accessibility & contrast

On white

9.76

#0F4A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#0F4A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4A5B

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4A5B	#FFFFFF	#000000	##FFFFFF
##0F4A5B	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40485C

Deuteranopia (green-blind)

#36415B

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0f4a5b;
/* rgb */ color: rgb(15, 74, 91);
/* oklch */ color: oklch(38.1% 0.064 222.1);

Tailwind

colors: {
  custom: {
    50: '#5c7c89',
    500: '#0f4a5b',
    950: '#000000',
  },
}

SCSS

$custom: #0f4a5b;
$custom-light: #5c7c89;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4a5b",
  "rgb": {
    "r": 15,
    "g": 74,
    "b": 91
  },
  "hsl": {
    "h": 193.421,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.38126,
    "c": 0.06384,
    "h": 222.1
  },
  "luminance": 0.05754
}

Semantic roles & 50–950 ramp

primary

#0F4A5B

secondary

#954731

accent

#6239EE

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #0F4A5B

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

Preview Lab → · Contrast checker → · Palette generator →