#0F3551#0F3551

#0F3551 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.7% C 0.066 H 244.6°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#0F3551
RGB	rgb(15, 53, 81)
HSL	hsl(205, 69%, 19%)
HSV	hsv(205, 81%, 32%)
CMYK	cmyk(81.5%, 34.6%, 0%, 68.2%)
CIE-LAB	lab(20.99, -2.21, -20.87)
CIE-LCH	lch(20.99, 20.99, 263.96°)
OKLab	oklab(31.75% -0.0281 -0.0592)
OKLCH	oklch(31.75% 0.066 244.6)
XYZ	xyz(2.9547, 3.2415, 8.2529)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3551 #512B0F

analogous

#0F514C #0F3551 #0F1451

triadic

#0F3551 #510F35 #35510F

tetradic

#0F3551 #4C0F51 #512B0F #14510F

square

#0F3551 #4C0F51 #512B0F #14510F

split-complementary

#0F3551 #510F14 #514C0F

monochromatic

#05111A #05131D #0F3551 #195785 #2279B8

Accessibility & contrast

On white

12.74

#0F3551 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#0F3551 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3551

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3551	#FFFFFF	#000000	##FFFFFF
##0F3551	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283652

Deuteranopia (green-blind)

#1F3050

Tritanopia (blue-blind)

#003C3F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0f3551;
/* rgb */ color: rgb(15, 53, 81);
/* oklch */ color: oklch(31.7% 0.066 244.6);

Tailwind

colors: {
  custom: {
    50: '#586c82',
    500: '#0f3551',
    950: '#000000',
  },
}

SCSS

$custom: #0f3551;
$custom-light: #586c82;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3551",
  "rgb": {
    "r": 15,
    "g": 53,
    "b": 81
  },
  "hsl": {
    "h": 205.455,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.31748,
    "c": 0.06552,
    "h": 244.6
  },
  "luminance": 0.03242
}

Semantic roles & 50–950 ramp

primary

#0F3551

secondary

#8B5731

accent

#873CEC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #0F3551

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

Preview Lab → · Contrast checker → · Palette generator →