#0F3F52#0F3F52

#0F3F52 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.059 H 229.0°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F52
RGB	rgb(15, 63, 82)
HSL	hsl(197, 69%, 19%)
HSV	hsv(197, 82%, 32%)
CMYK	cmyk(81.7%, 23.2%, 0%, 67.8%)
CIE-LAB	lab(24.53, -8.40, -16.00)
CIE-LCH	lch(24.53, 18.07, 242.29°)
OKLab	oklab(34.58% -0.039 -0.0449)
OKLCH	oklch(34.58% 0.06 229)
XYZ	xyz(3.4969, 4.2654, 8.6200)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F52 #52220F

analogous

#0F5244 #0F3F52 #0F1E52

triadic

#0F3F52 #520F3F #3F520F

tetradic

#0F3F52 #440F52 #52220F #1E520F

square

#0F3F52 #440F52 #52220F #1E520F

split-complementary

#0F3F52 #520F1E #52440F

monochromatic

#05141A #06171E #0F3F52 #186786 #228EB9

Accessibility & contrast

On white

11.33

#0F3F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0F3F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F52

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F52	#FFFFFF	#000000	##FFFFFF
##0F3F52	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E53

Deuteranopia (green-blind)

#2C3752

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0f3f52;
/* rgb */ color: rgb(15, 63, 82);
/* oklch */ color: oklch(34.6% 0.059 229.0);

Tailwind

colors: {
  custom: {
    50: '#597482',
    500: '#0f3f52',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f52;
$custom-light: #597482;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f52",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 197.015,
    "s": 69.072,
    "l": 19.02
  },
  "oklch": {
    "l": 0.34581,
    "c": 0.0595,
    "h": 229
  },
  "luminance": 0.04266
}

Semantic roles & 50–950 ramp

primary

#0F3F52

secondary

#8C4B31

accent

#6E3CEC

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0F3F52

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

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