#0F3B5A#0F3B5A

#0F3B5A is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.072 H 244.0°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#0F3B5A
RGB	rgb(15, 59, 90)
HSL	hsl(205, 71%, 21%)
HSV	hsv(205, 83%, 35%)
CMYK	cmyk(83.3%, 34.4%, 0%, 64.7%)
CIE-LAB	lab(23.56, -2.52, -22.76)
CIE-LCH	lch(23.56, 22.90, 263.67°)
OKLab	oklab(33.95% -0.0315 -0.0646)
OKLCH	oklch(33.95% 0.072 244)
XYZ	xyz(3.6057, 3.9672, 10.2466)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3B5A #5A2E0F

analogous

#0F5A53 #0F3B5A #0F155A

triadic

#0F3B5A #5A0F3B #3B5A0F

tetradic

#0F3B5A #530F5A #5A2E0F #155A0F

square

#0F3B5A #530F5A #5A2E0F #155A0F

split-complementary

#0F3B5A #5A0F15 #5A530F

monochromatic

#04111A #061926 #0F3B5A #185D8E #2080C3

Accessibility & contrast

On white

11.71

#0F3B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#0F3B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3B5A

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3B5A	#FFFFFF	#000000	##FFFFFF
##0F3B5A	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3C5B

Deuteranopia (green-blind)

#223559

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3b5a;
/* rgb */ color: rgb(15, 59, 90);
/* oklch */ color: oklch(34.0% 0.072 244.0);

Tailwind

colors: {
  custom: {
    50: '#5b7089',
    500: '#0f3b5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f3b5a;
$custom-light: #5b7089;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3b5a",
  "rgb": {
    "r": 15,
    "g": 59,
    "b": 90
  },
  "hsl": {
    "h": 204.8,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.3395,
    "c": 0.07185,
    "h": 244
  },
  "luminance": 0.03968
}

Semantic roles & 50–950 ramp

primary

#0F3B5A

secondary

#945A31

accent

#843AEE

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3B5A

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

Preview Lab → · Contrast checker → · Palette generator →