#0F3451#0F3451

#0F3451 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.5% C 0.067 H 246.0°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#0F3451
RGB	rgb(15, 52, 81)
HSL	hsl(206, 69%, 19%)
HSV	hsv(206, 81%, 32%)
CMYK	cmyk(81.5%, 35.8%, 0%, 68.2%)
CIE-LAB	lab(20.64, -1.52, -21.42)
CIE-LCH	lch(20.64, 21.47, 265.94°)
OKLab	oklab(31.47% -0.027 -0.0608)
OKLCH	oklch(31.47% 0.067 246)
XYZ	xyz(2.9096, 3.1513, 8.2379)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3451 #512C0F

analogous

#0F514D #0F3451 #0F1351

triadic

#0F3451 #510F34 #34510F

tetradic

#0F3451 #4D0F51 #512C0F #13510F

square

#0F3451 #4D0F51 #512C0F #13510F

split-complementary

#0F3451 #510F13 #514D0F

monochromatic

#05111A #05131D #0F3451 #195585 #2276B8

Accessibility & contrast

On white

12.88

#0F3451 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#0F3451 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3451

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3451	#FFFFFF	#000000	##FFFFFF
##0F3451	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273552

Deuteranopia (green-blind)

#1D2F50

Tritanopia (blue-blind)

#003B3E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0f3451;
/* rgb */ color: rgb(15, 52, 81);
/* oklch */ color: oklch(31.5% 0.067 246.0);

Tailwind

colors: {
  custom: {
    50: '#586b82',
    500: '#0f3451',
    950: '#000000',
  },
}

SCSS

$custom: #0f3451;
$custom-light: #586b82;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3451",
  "rgb": {
    "r": 15,
    "g": 52,
    "b": 81
  },
  "hsl": {
    "h": 206.364,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.31474,
    "c": 0.06651,
    "h": 246
  },
  "luminance": 0.03152
}

Semantic roles & 50–950 ramp

primary

#0F3451

secondary

#8B5831

accent

#893CEC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #0F3451

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

Preview Lab → · Contrast checker → · Palette generator →