#0F4B5A#0F4B5A

#0F4B5A is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.4% C 0.063 H 219.0°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#0F4B5A
RGB	rgb(15, 75, 90)
HSL	hsl(192, 71%, 21%)
HSV	hsv(192, 83%, 35%)
CMYK	cmyk(83.3%, 16.7%, 0%, 64.7%)
CIE-LAB	lab(29.09, -12.68, -14.17)
CIE-LCH	lch(29.09, 19.01, 228.17°)
OKLab	oklab(38.35% -0.0489 -0.0396)
OKLCH	oklch(38.35% 0.063 219)
XYZ	xyz(4.5578, 5.8713, 10.5639)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4B5A #5A1E0F

analogous

#0F5A43 #0F4B5A #0F255A

triadic

#0F4B5A #5A0F4B #4B5A0F

tetradic

#0F4B5A #430F5A #5A1E0F #255A0F

square

#0F4B5A #430F5A #5A1E0F #255A0F

split-complementary

#0F4B5A #5A0F25 #5A430F

monochromatic

#04161A #061F26 #0F4B5A #18778E #20A2C3

Accessibility & contrast

On white

9.66

#0F4B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#0F4B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4B5A

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4B5A	#FFFFFF	#000000	##FFFFFF
##0F4B5A	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42495B

Deuteranopia (green-blind)

#38415A

Tritanopia (blue-blind)

#005050

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #0f4b5a;
/* rgb */ color: rgb(15, 75, 90);
/* oklch */ color: oklch(38.4% 0.063 219.0);

Tailwind

colors: {
  custom: {
    50: '#5c7d88',
    500: '#0f4b5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f4b5a;
$custom-light: #5c7d88;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4b5a",
  "rgb": {
    "r": 15,
    "g": 75,
    "b": 90
  },
  "hsl": {
    "h": 192,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38354,
    "c": 0.06296,
    "h": 219
  },
  "luminance": 0.05872
}

Semantic roles & 50–950 ramp

primary

#0F4B5A

secondary

#944531

accent

#5E3AEE

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #0F4B5A

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

Preview Lab → · Contrast checker → · Palette generator →