#0B1E52#0B1E52

#0B1E52 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.8% C 0.098 H 264.9°. Best body text is #FFFFFF at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#0B1E52
RGB	rgb(11, 30, 82)
HSL	hsl(224, 76%, 18%)
HSV	hsv(224, 87%, 32%)
CMYK	cmyk(86.6%, 63.4%, 0%, 67.8%)
CIE-LAB	lab(13.28, 14.63, -33.90)
CIE-LCH	lch(13.28, 36.92, 293.35°)
OKLab	oklab(25.78% -0.0088 -0.0979)
OKLCH	oklch(25.78% 0.098 264.9)
XYZ	xyz(2.1247, 1.6086, 8.1795)
Luminance	0.0161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1E52 #523F0B

analogous

#0B4152 #0B1E52 #1B0B52

triadic

#0B1E52 #520B1E #1E520B

tetradic

#0B1E52 #520B41 #523F0B #0B521B

square

#0B1E52 #520B41 #523F0B #0B521B

split-complementary

#0B1E52 #521B0B #41520B

monochromatic

#040A1B #040A1C #0B1E52 #123288 #1945BE

Accessibility & contrast

On white

15.89

#0B1E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0B1E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1E52

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1E52	#FFFFFF	#000000	##FFFFFF
##0B1E52	1.00	15.89	1.32	15.89
#FFFFFF	15.89	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002654

Deuteranopia (green-blind)

#001F51

Tritanopia (blue-blind)

#002B34

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0b1e52;
/* rgb */ color: rgb(11, 30, 82);
/* oklch */ color: oklch(25.8% 0.098 264.9);

Tailwind

colors: {
  custom: {
    50: '#585983',
    500: '#0b1e52',
    950: '#000000',
  },
}

SCSS

$custom: #0b1e52;
$custom-light: #585983;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1e52",
  "rgb": {
    "r": 11,
    "g": 30,
    "b": 82
  },
  "hsl": {
    "h": 223.944,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.25782,
    "c": 0.09833,
    "h": 264.9
  },
  "luminance": 0.01609
}

Semantic roles & 50–950 ramp

primary

#0B1E52

secondary

#8E732B

accent

#C035F3

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #0B1E52

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

Preview Lab → · Contrast checker → · Palette generator →