#0B1C48#0B1C48

#0B1C48 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.3% C 0.085 H 264.8°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#0B1C48
RGB	rgb(11, 28, 72)
HSL	hsl(223, 73%, 16%)
HSV	hsv(223, 85%, 28%)
CMYK	cmyk(84.7%, 61.1%, 0%, 71.8%)
CIE-LAB	lab(11.75, 11.72, -29.52)
CIE-LCH	lch(11.75, 31.76, 291.65°)
OKLab	oklab(24.35% -0.0078 -0.0851)
OKLCH	oklch(24.35% 0.085 264.8)
XYZ	xyz(1.7226, 1.3693, 6.3032)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1C48 #48370B

analogous

#0B3B48 #0B1C48 #190B48

triadic

#0B1C48 #480B1C #1C480B

tetradic

#0B1C48 #480B3B #48370B #0B4819

square

#0B1C48 #480B3B #48370B #0B4819

split-complementary

#0B1C48 #48190B #3B480B

monochromatic

#040A1B #040A1B #0B1C48 #13317D #1B45B2

Accessibility & contrast

On white

16.48

#0B1C48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0B1C48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1C48

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1C48	#FFFFFF	#000000	##FFFFFF
##0B1C48	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224A

Deuteranopia (green-blind)

#001C47

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0b1c48;
/* rgb */ color: rgb(11, 28, 72);
/* oklch */ color: oklch(24.3% 0.085 264.8);

Tailwind

colors: {
  custom: {
    50: '#55577b',
    500: '#0b1c48',
    950: '#000000',
  },
}

SCSS

$custom: #0b1c48;
$custom-light: #55577b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1c48",
  "rgb": {
    "r": 11,
    "g": 28,
    "b": 72
  },
  "hsl": {
    "h": 223.279,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.24346,
    "c": 0.08547,
    "h": 264.8
  },
  "luminance": 0.0137
}

Semantic roles & 50–950 ramp

primary

#0B1C48

secondary

#846B2A

accent

#BD38F0

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0B1C48

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

Preview Lab → · Contrast checker → · Palette generator →