#0F3B56#0F3B56

#0F3B56 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.067 H 240.4°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#0F3B56
RGB	rgb(15, 59, 86)
HSL	hsl(203, 70%, 20%)
HSV	hsv(203, 83%, 34%)
CMYK	cmyk(82.6%, 31.4%, 0%, 66.3%)
CIE-LAB	lab(23.34, -4.18, -20.48)
CIE-LCH	lch(23.34, 20.90, 258.45°)
OKLab	oklab(33.7% -0.0329 -0.0579)
OKLCH	oklch(33.7% 0.067 240.4)
XYZ	xyz(3.4400, 3.9010, 9.3740)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3B56 #562A0F

analogous

#0F564E #0F3B56 #0F1756

triadic

#0F3B56 #560F3B #3B560F

tetradic

#0F3B56 #4E0F56 #562A0F #17560F

square

#0F3B56 #4E0F56 #562A0F #17560F

split-complementary

#0F3B56 #560F17 #564E0F

monochromatic

#05121A #061722 #0F3B56 #185F8A #2183BE

Accessibility & contrast

On white

11.80

#0F3B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0F3B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3B56

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3B56	#FFFFFF	#000000	##FFFFFF
##0F3B56	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3B57

Deuteranopia (green-blind)

#253556

Tritanopia (blue-blind)

#004244

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3b56;
/* rgb */ color: rgb(15, 59, 86);
/* oklch */ color: oklch(33.7% 0.067 240.4);

Tailwind

colors: {
  custom: {
    50: '#5a7085',
    500: '#0f3b56',
    950: '#000000',
  },
}

SCSS

$custom: #0f3b56;
$custom-light: #5a7085;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3b56",
  "rgb": {
    "r": 15,
    "g": 59,
    "b": 86
  },
  "hsl": {
    "h": 202.817,
    "s": 70.297,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33702,
    "c": 0.06665,
    "h": 240.4
  },
  "luminance": 0.03901
}

Semantic roles & 50–950 ramp

primary

#0F3B56

secondary

#905531

accent

#7F3BED

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3B56

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

Preview Lab → · Contrast checker → · Palette generator →