#0B0F48#0B0F48

#0B0F48 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.103 H 270.9°. Best body text is #FFFFFF at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#0B0F48
RGB	rgb(11, 15, 72)
HSL	hsl(236, 73%, 16%)
HSV	hsv(236, 85%, 28%)
CMYK	cmyk(84.7%, 79.2%, 0%, 71.8%)
CIE-LAB	lab(7.95, 21.56, -35.73)
CIE-LCH	lch(7.95, 41.73, 301.10°)
OKLab	oklab(21.54% 0.0017 -0.1034)
OKLCH	oklch(21.54% 0.103 270.9)
XYZ	xyz(1.4781, 0.8805, 6.2217)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0F48 #48440B

analogous

#0B2E48 #0B0F48 #260B48

triadic

#0B0F48 #480B0F #0F480B

tetradic

#0B0F48 #480B2E #48440B #0B4826

square

#0B0F48 #480B2E #48440B #0B4826

split-complementary

#0B0F48 #48260B #2E480B

monochromatic

#04061B #04061B #0B0F48 #131A7D #1B25B2

Accessibility & contrast

On white

17.85

#0B0F48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0B0F48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0F48

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0F48	#FFFFFF	#000000	##FFFFFF
##0B0F48	1.00	17.85	1.18	17.85
#FFFFFF	17.85	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4A

Deuteranopia (green-blind)

#001447

Tritanopia (blue-blind)

#001F2A

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0b0f48;
/* rgb */ color: rgb(11, 15, 72);
/* oklch */ color: oklch(21.5% 0.103 270.9);

Tailwind

colors: {
  custom: {
    50: '#564d7c',
    500: '#0b0f48',
    950: '#000000',
  },
}

SCSS

$custom: #0b0f48;
$custom-light: #564d7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0f48",
  "rgb": {
    "r": 11,
    "g": 15,
    "b": 72
  },
  "hsl": {
    "h": 236.066,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.21543,
    "c": 0.10346,
    "h": 270.9
  },
  "luminance": 0.00881
}

Semantic roles & 50–950 ramp

primary

#0B0F48

secondary

#847E2A

accent

#E438F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #0B0F48

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

Preview Lab → · Contrast checker → · Palette generator →