#0F4A5A#0F4A5A

#0F4A5A is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.1% C 0.063 H 220.7°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#0F4A5A
RGB	rgb(15, 74, 90)
HSL	hsl(193, 71%, 21%)
HSV	hsv(193, 83%, 35%)
CMYK	cmyk(83.3%, 17.8%, 0%, 64.7%)
CIE-LAB	lab(28.74, -12.08, -14.70)
CIE-LCH	lch(28.74, 19.03, 230.58°)
OKLab	oklab(38.07% -0.0478 -0.0411)
OKLCH	oklch(38.07% 0.063 220.7)
XYZ	xyz(4.4905, 5.7368, 10.5415)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4A5A #5A1F0F

analogous

#0F5A44 #0F4A5A #0F245A

triadic

#0F4A5A #5A0F4A #4A5A0F

tetradic

#0F4A5A #440F5A #5A1F0F #245A0F

square

#0F4A5A #440F5A #5A1F0F #245A0F

split-complementary

#0F4A5A #5A0F24 #5A440F

monochromatic

#04161A #061F26 #0F4A5A #18758E #20A0C3

Accessibility & contrast

On white

9.78

#0F4A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#0F4A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4A5A

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4A5A	#FFFFFF	#000000	##FFFFFF
##0F4A5A	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40485B

Deuteranopia (green-blind)

#36415A

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0f4a5a;
/* rgb */ color: rgb(15, 74, 90);
/* oklch */ color: oklch(38.1% 0.063 220.7);

Tailwind

colors: {
  custom: {
    50: '#5c7c88',
    500: '#0f4a5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f4a5a;
$custom-light: #5c7c88;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4a5a",
  "rgb": {
    "r": 15,
    "g": 74,
    "b": 90
  },
  "hsl": {
    "h": 192.8,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38075,
    "c": 0.06309,
    "h": 220.7
  },
  "luminance": 0.05737
}

Semantic roles & 50–950 ramp

primary

#0F4A5A

secondary

#944631

accent

#603AEE

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #0F4A5A

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

Preview Lab → · Contrast checker → · Palette generator →