#0F3C57#0F3C57

#0F3C57 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.067 H 239.9°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#0F3C57
RGB	rgb(15, 60, 87)
HSL	hsl(203, 71%, 20%)
HSV	hsv(203, 83%, 34%)
CMYK	cmyk(82.8%, 31%, 0%, 65.9%)
CIE-LAB	lab(23.74, -4.44, -20.51)
CIE-LCH	lch(23.74, 20.99, 257.80°)
OKLab	oklab(34.04% -0.0337 -0.058)
OKLCH	oklch(34.04% 0.067 239.9)
XYZ	xyz(3.5325, 4.0210, 9.6049)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3C57 #572A0F

analogous

#0F574E #0F3C57 #0F1857

triadic

#0F3C57 #570F3C #3C570F

tetradic

#0F3C57 #4E0F57 #572A0F #18570F

square

#0F3C57 #4E0F57 #572A0F #18570F

split-complementary

#0F3C57 #570F18 #574E0F

monochromatic

#05121A #061823 #0F3C57 #18608B #2184BF

Accessibility & contrast

On white

11.64

#0F3C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#0F3C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3C57

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3C57	#FFFFFF	#000000	##FFFFFF
##0F3C57	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3C58

Deuteranopia (green-blind)

#253657

Tritanopia (blue-blind)

#004345

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3c57;
/* rgb */ color: rgb(15, 60, 87);
/* oklch */ color: oklch(34.0% 0.067 239.9);

Tailwind

colors: {
  custom: {
    50: '#5a7186',
    500: '#0f3c57',
    950: '#000000',
  },
}

SCSS

$custom: #0f3c57;
$custom-light: #5a7186;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3c57",
  "rgb": {
    "r": 15,
    "g": 60,
    "b": 87
  },
  "hsl": {
    "h": 202.5,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.34036,
    "c": 0.06708,
    "h": 239.9
  },
  "luminance": 0.04021
}

Semantic roles & 50–950 ramp

primary

#0F3C57

secondary

#915531

accent

#7E3AED

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3C57

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

Preview Lab → · Contrast checker → · Palette generator →