#0F3F53#0F3F53

#0F3F53 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.060 H 230.4°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F53
RGB	rgb(15, 63, 83)
HSL	hsl(198, 69%, 19%)
HSV	hsv(198, 82%, 33%)
CMYK	cmyk(81.9%, 24.1%, 0%, 67.5%)
CIE-LAB	lab(24.58, -8.01, -16.58)
CIE-LCH	lch(24.58, 18.41, 244.23°)
OKLab	oklab(34.64% -0.0386 -0.0466)
OKLCH	oklch(34.64% 0.061 230.4)
XYZ	xyz(3.5352, 4.2807, 8.8219)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F53 #53230F

analogous

#0F5345 #0F3F53 #0F1D53

triadic

#0F3F53 #530F3F #3F530F

tetradic

#0F3F53 #450F53 #53230F #1D530F

square

#0F3F53 #450F53 #53230F #1D530F

split-complementary

#0F3F53 #530F1D #53450F

monochromatic

#05141A #06181F #0F3F53 #186687 #228EBB

Accessibility & contrast

On white

11.31

#0F3F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#0F3F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F53

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F53	#FFFFFF	#000000	##FFFFFF
##0F3F53	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E54

Deuteranopia (green-blind)

#2C3753

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0f3f53;
/* rgb */ color: rgb(15, 63, 83);
/* oklch */ color: oklch(34.6% 0.060 230.4);

Tailwind

colors: {
  custom: {
    50: '#597483',
    500: '#0f3f53',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f53;
$custom-light: #597483;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f53",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 83
  },
  "hsl": {
    "h": 197.647,
    "s": 69.388,
    "l": 19.216
  },
  "oklch": {
    "l": 0.34635,
    "c": 0.0605,
    "h": 230.4
  },
  "luminance": 0.04281
}

Semantic roles & 50–950 ramp

primary

#0F3F53

secondary

#8D4C31

accent

#703CEC

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0F3F53

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

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