#0F3F55#0F3F55

#0F3F55 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.063 H 232.9°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F55
RGB	rgb(15, 63, 85)
HSL	hsl(199, 70%, 20%)
HSV	hsv(199, 82%, 33%)
CMYK	cmyk(82.4%, 25.9%, 0%, 66.7%)
CIE-LAB	lab(24.68, -7.21, -17.74)
CIE-LCH	lch(24.68, 19.15, 247.89°)
OKLab	oklab(34.75% -0.0377 -0.0499)
OKLCH	oklch(34.75% 0.063 232.9)
XYZ	xyz(3.6135, 4.3120, 9.2344)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F55 #55250F

analogous

#0F5548 #0F3F55 #0F1C55

triadic

#0F3F55 #550F3F #3F550F

tetradic

#0F3F55 #480F55 #55250F #1C550F

square

#0F3F55 #480F55 #55250F #1C550F

split-complementary

#0F3F55 #550F1C #55480F

monochromatic

#05131A #061821 #0F3F55 #186689 #218CBD

Accessibility & contrast

On white

11.28

#0F3F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#0F3F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F55

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F55	#FFFFFF	#000000	##FFFFFF
##0F3F55	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343E56

Deuteranopia (green-blind)

#2B3855

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #0f3f55;
/* rgb */ color: rgb(15, 63, 85);
/* oklch */ color: oklch(34.7% 0.063 232.9);

Tailwind

colors: {
  custom: {
    50: '#5a7485',
    500: '#0f3f55',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f55;
$custom-light: #5a7485;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f55",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 85
  },
  "hsl": {
    "h": 198.857,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34747,
    "c": 0.0626,
    "h": 232.9
  },
  "luminance": 0.04312
}

Semantic roles & 50–950 ramp

primary

#0F3F55

secondary

#8F4E31

accent

#733BED

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F3F55

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

Preview Lab → · Contrast checker → · Palette generator →