#0F3B5C#0F3B5C

#0F3B5C is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.075 H 245.6°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#0F3B5C
RGB	rgb(15, 59, 92)
HSL	hsl(206, 72%, 21%)
HSV	hsv(206, 84%, 36%)
CMYK	cmyk(83.7%, 35.9%, 0%, 63.9%)
CIE-LAB	lab(23.68, -1.69, -23.89)
CIE-LCH	lch(23.68, 23.95, 265.96°)
OKLab	oklab(34.08% -0.0308 -0.0679)
OKLCH	oklch(34.08% 0.075 245.6)
XYZ	xyz(3.6920, 4.0018, 10.7010)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3B5C #5C300F

analogous

#0F5C56 #0F3B5C #0F145C

triadic

#0F3B5C #5C0F3B #3B5C0F

tetradic

#0F3B5C #560F5C #5C300F #145C0F

square

#0F3B5C #560F5C #5C300F #145C0F

split-complementary

#0F3B5C #5C0F14 #5C560F

monochromatic

#04111A #061927 #0F3B5C #185D91 #207EC5

Accessibility & contrast

On white

11.66

#0F3B5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#0F3B5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3B5C

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3B5C	#FFFFFF	#000000	##FFFFFF
##0F3B5C	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3C5D

Deuteranopia (green-blind)

#21355B

Tritanopia (blue-blind)

#004347

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3b5c;
/* rgb */ color: rgb(15, 59, 92);
/* oklch */ color: oklch(34.1% 0.075 245.6);

Tailwind

colors: {
  custom: {
    50: '#5b708a',
    500: '#0f3b5c',
    950: '#000000',
  },
}

SCSS

$custom: #0f3b5c;
$custom-light: #5b708a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3b5c",
  "rgb": {
    "r": 15,
    "g": 59,
    "b": 92
  },
  "hsl": {
    "h": 205.714,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.34078,
    "c": 0.07455,
    "h": 245.6
  },
  "luminance": 0.04002
}

Semantic roles & 50–950 ramp

primary

#0F3B5C

secondary

#955C31

accent

#8739EF

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3B5C

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

Preview Lab → · Contrast checker → · Palette generator →