#0F4A5C#0F4A5C

#0F4A5C is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.2% C 0.065 H 223.4°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#0F4A5C
RGB	rgb(15, 74, 92)
HSL	hsl(194, 72%, 21%)
HSV	hsv(194, 84%, 36%)
CMYK	cmyk(83.7%, 19.6%, 0%, 63.9%)
CIE-LAB	lab(28.83, -11.32, -15.85)
CIE-LCH	lch(28.83, 19.48, 234.46°)
OKLab	oklab(38.18% -0.0469 -0.0444)
OKLCH	oklch(38.18% 0.065 223.4)
XYZ	xyz(4.5767, 5.7713, 10.9959)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4A5C #5C210F

analogous

#0F5C47 #0F4A5C #0F235C

triadic

#0F4A5C #5C0F4A #4A5C0F

tetradic

#0F4A5C #470F5C #5C210F #235C0F

square

#0F4A5C #470F5C #5C210F #235C0F

split-complementary

#0F4A5C #5C0F23 #5C470F

monochromatic

#04151A #062027 #0F4A5C #187491 #209FC5

Accessibility & contrast

On white

9.75

#0F4A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#0F4A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4A5C

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4A5C	#FFFFFF	#000000	##FFFFFF
##0F4A5C	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40485D

Deuteranopia (green-blind)

#36415C

Tritanopia (blue-blind)

#004F50

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0f4a5c;
/* rgb */ color: rgb(15, 74, 92);
/* oklch */ color: oklch(38.2% 0.065 223.4);

Tailwind

colors: {
  custom: {
    50: '#5c7c8a',
    500: '#0f4a5c',
    950: '#000000',
  },
}

SCSS

$custom: #0f4a5c;
$custom-light: #5c7c8a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4a5c",
  "rgb": {
    "r": 15,
    "g": 74,
    "b": 92
  },
  "hsl": {
    "h": 194.026,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.38177,
    "c": 0.06463,
    "h": 223.4
  },
  "luminance": 0.05772
}

Semantic roles & 50–950 ramp

primary

#0F4A5C

secondary

#954931

accent

#6439EF

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #0F4A5C

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

Preview Lab → · Contrast checker → · Palette generator →