#0F405D#0F405D

#0F405D is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.5% C 0.071 H 239.9°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#0F405D
RGB	rgb(15, 64, 93)
HSL	hsl(202, 72%, 21%)
HSV	hsv(202, 84%, 36%)
CMYK	cmyk(83.9%, 31.2%, 0%, 63.5%)
CIE-LAB	lab(25.44, -4.61, -21.77)
CIE-LCH	lch(25.44, 22.25, 258.04°)
OKLab	oklab(35.49% -0.0357 -0.0616)
OKLCH	oklch(35.49% 0.071 239.9)
XYZ	xyz(4.0054, 4.5582, 11.0225)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F405D #5D2C0F

analogous

#0F5D53 #0F405D #0F195D

triadic

#0F405D #5D0F40 #405D0F

tetradic

#0F405D #530F5D #5D2C0F #195D0F

square

#0F405D #530F5D #5D2C0F #195D0F

split-complementary

#0F405D #5D0F19 #5D530F

monochromatic

#04121A #061C28 #0F405D #176492 #2089C6

Accessibility & contrast

On white

10.98

#0F405D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#0F405D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F405D

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F405D	#FFFFFF	#000000	##FFFFFF
##0F405D	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32405E

Deuteranopia (green-blind)

#28395C

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #0f405d;
/* rgb */ color: rgb(15, 64, 93);
/* oklch */ color: oklch(35.5% 0.071 239.9);

Tailwind

colors: {
  custom: {
    50: '#5b748b',
    500: '#0f405d',
    950: '#000000',
  },
}

SCSS

$custom: #0f405d;
$custom-light: #5b748b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f405d",
  "rgb": {
    "r": 15,
    "g": 64,
    "b": 93
  },
  "hsl": {
    "h": 202.308,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.35487,
    "c": 0.07123,
    "h": 239.9
  },
  "luminance": 0.04559
}

Semantic roles & 50–950 ramp

primary

#0F405D

secondary

#965731

accent

#7D39EF

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080C

muted

#797B7D

Preview Lab

Preview with #0F405D

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

Preview Lab → · Contrast checker → · Palette generator →