#0F0F2B#0F0F2B

#0F0F2B is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.7% C 0.055 H 279.7°. Best body text is #FFFFFF at 18.69:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F2B
RGB	rgb(15, 15, 43)
HSL	hsl(240, 48%, 11%)
HSV	hsv(240, 65%, 17%)
CMYK	cmyk(65.1%, 65.1%, 0%, 83.1%)
CIE-LAB	lab(5.58, 8.88, -18.57)
CIE-LCH	lch(5.58, 20.59, 295.54°)
OKLab	oklab(18.75% 0.0093 -0.0545)
OKLCH	oklch(18.75% 0.055 279.7)
XYZ	xyz(0.8037, 0.6176, 2.3619)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F2B #2B2B0F

analogous

#0F1D2B #0F0F2B #1D0F2B

triadic

#0F0F2B #2B0F0F #0F2B0F

tetradic

#0F0F2B #2B0F1D #2B2B0F #0F2B1D

square

#0F0F2B #2B0F1D #2B2B0F #0F2B1D

split-complementary

#0F0F2B #2B1D0F #1D2B0F

monochromatic

#080817 #080817 #0F0F2B #1F1F58 #2F2F86

Accessibility & contrast

On white

18.69

#0F0F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0F0F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F2B

18.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F2B	#FFFFFF	#000000	##FFFFFF
##0F0F2B	1.00	18.69	1.12	18.69
#FFFFFF	18.69	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03132C

Deuteranopia (green-blind)

#01112A

Tritanopia (blue-blind)

#04151B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0f0f2b;
/* rgb */ color: rgb(15, 15, 43);
/* oklch */ color: oklch(18.7% 0.055 279.7);

Tailwind

colors: {
  custom: {
    50: '#4f4d64',
    500: '#0f0f2b',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f2b;
$custom-light: #4f4d64;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f2b",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 43
  },
  "hsl": {
    "h": 240,
    "s": 48.276,
    "l": 11.373
  },
  "oklch": {
    "l": 0.18749,
    "c": 0.05529,
    "h": 279.7
  },
  "luminance": 0.00618
}

Semantic roles & 50–950 ramp

primary

#0F0F2B

secondary

#646432

accent

#D850D8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020105

muted

#78777A

Preview Lab

Preview with #0F0F2B

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

Preview Lab → · Contrast checker → · Palette generator →