#0B2956#0B2956

#0B2956 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.8% C 0.089 H 258.8°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#0B2956
RGB	rgb(11, 41, 86)
HSL	hsl(216, 77%, 19%)
HSV	hsv(216, 87%, 34%)
CMYK	cmyk(87.2%, 52.3%, 0%, 66.3%)
CIE-LAB	lab(17.13, 8.07, -30.38)
CIE-LCH	lch(17.13, 31.43, 284.87°)
OKLab	oklab(28.81% -0.0173 -0.0873)
OKLCH	oklch(28.81% 0.089 258.8)
XYZ	xyz(2.6100, 2.3286, 9.1142)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2956 #56380B

analogous

#0B4F56 #0B2956 #130B56

triadic

#0B2956 #560B29 #29560B

tetradic

#0B2956 #560B4F #56380B #0B5613

square

#0B2956 #560B4F #56380B #0B5613

split-complementary

#0B2956 #56130B #4F560B

monochromatic

#030D1B #040F20 #0B2956 #12438C #195DC3

Accessibility & contrast

On white

14.33

#0B2956 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#0B2956 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2956

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2956	#FFFFFF	#000000	##FFFFFF
##0B2956	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F2E58

Deuteranopia (green-blind)

#002755

Tritanopia (blue-blind)

#00343B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0b2956;
/* rgb */ color: rgb(11, 41, 86);
/* oklch */ color: oklch(28.8% 0.089 258.8);

Tailwind

colors: {
  custom: {
    50: '#586286',
    500: '#0b2956',
    950: '#000000',
  },
}

SCSS

$custom: #0b2956;
$custom-light: #586286;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2956",
  "rgb": {
    "r": 11,
    "g": 41,
    "b": 86
  },
  "hsl": {
    "h": 216,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28807,
    "c": 0.08904,
    "h": 258.8
  },
  "luminance": 0.02329
}

Semantic roles & 50–950 ramp

primary

#0B2956

secondary

#91692B

accent

#A734F4

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0B2956

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

Preview Lab → · Contrast checker → · Palette generator →