#0B2148#0B2148

#0B2148 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.6% C 0.078 H 260.9°. Best body text is #FFFFFF at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#0B2148
RGB	rgb(11, 33, 72)
HSL	hsl(218, 73%, 16%)
HSV	hsv(218, 85%, 28%)
CMYK	cmyk(84.7%, 54.2%, 0%, 71.8%)
CIE-LAB	lab(13.39, 7.84, -26.87)
CIE-LCH	lch(13.39, 27.99, 286.27°)
OKLab	oklab(25.59% -0.0124 -0.0772)
OKLCH	oklch(25.59% 0.078 260.9)
XYZ	xyz(1.8511, 1.6265, 6.3460)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2148 #48320B

analogous

#0B4048 #0B2148 #140B48

triadic

#0B2148 #480B21 #21480B

tetradic

#0B2148 #480B40 #48320B #0B4814

square

#0B2148 #480B40 #48320B #0B4814

split-complementary

#0B2148 #48140B #40480B

monochromatic

#040C1B #040C1B #0B2148 #13397D #1B52B2

Accessibility & contrast

On white

15.84

#0B2148 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0B2148 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2148

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2148	#FFFFFF	#000000	##FFFFFF
##0B2148	1.00	15.84	1.33	15.84
#FFFFFF	15.84	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2549

Deuteranopia (green-blind)

#002047

Tritanopia (blue-blind)

#002A31

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0b2148;
/* rgb */ color: rgb(11, 33, 72);
/* oklch */ color: oklch(25.6% 0.078 260.9);

Tailwind

colors: {
  custom: {
    50: '#555b7b',
    500: '#0b2148',
    950: '#000000',
  },
}

SCSS

$custom: #0b2148;
$custom-light: #555b7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2148",
  "rgb": {
    "r": 11,
    "g": 33,
    "b": 72
  },
  "hsl": {
    "h": 218.361,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.25594,
    "c": 0.07819,
    "h": 260.9
  },
  "luminance": 0.01627
}

Semantic roles & 50–950 ramp

primary

#0B2148

secondary

#84642A

accent

#AE38F0

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030409

muted

#78797B

Preview Lab

Preview with #0B2148

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

Preview Lab → · Contrast checker → · Palette generator →