#0F3F51#0F3F51

#0F3F51 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.5% C 0.059 H 227.7°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F51
RGB	rgb(15, 63, 81)
HSL	hsl(196, 69%, 19%)
HSV	hsv(196, 81%, 32%)
CMYK	cmyk(81.5%, 22.2%, 0%, 68.2%)
CIE-LAB	lab(24.48, -8.80, -15.42)
CIE-LCH	lch(24.48, 17.75, 240.29°)
OKLab	oklab(34.53% -0.0394 -0.0433)
OKLCH	oklch(34.53% 0.059 227.7)
XYZ	xyz(3.4591, 4.2502, 8.4211)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F51 #51210F

analogous

#0F5142 #0F3F51 #0F1E51

triadic

#0F3F51 #510F3F #3F510F

tetradic

#0F3F51 #420F51 #51210F #1E510F

square

#0F3F51 #420F51 #51210F #1E510F

split-complementary

#0F3F51 #510F1E #51420F

monochromatic

#05141A #05171D #0F3F51 #196785 #228FB8

Accessibility & contrast

On white

11.35

#0F3F51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0F3F51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F51

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F51	#FFFFFF	#000000	##FFFFFF
##0F3F51	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E52

Deuteranopia (green-blind)

#2D3751

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0f3f51;
/* rgb */ color: rgb(15, 63, 81);
/* oklch */ color: oklch(34.5% 0.059 227.7);

Tailwind

colors: {
  custom: {
    50: '#597482',
    500: '#0f3f51',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f51;
$custom-light: #597482;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f51",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 81
  },
  "hsl": {
    "h": 196.364,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.34526,
    "c": 0.05853,
    "h": 227.7
  },
  "luminance": 0.04251
}

Semantic roles & 50–950 ramp

primary

#0F3F51

secondary

#8B4931

accent

#6C3CEC

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0F3F51

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

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