#0B153E#0B153E

#0B153E is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.7% C 0.080 H 268.5°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#0B153E
RGB	rgb(11, 21, 62)
HSL	hsl(228, 70%, 14%)
HSV	hsv(228, 82%, 24%)
CMYK	cmyk(82.3%, 66.1%, 0%, 75.7%)
CIE-LAB	lab(8.61, 12.73, -27.59)
CIE-LCH	lch(8.61, 30.39, 294.77°)
OKLab	oklab(21.7% -0.0021 -0.0796)
OKLCH	oklch(21.7% 0.08 268.5)
XYZ	xyz(1.2754, 0.9551, 4.6736)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B153E #3E340B

analogous

#0B2F3E #0B153E #1B0B3E

triadic

#0B153E #3E0B15 #153E0B

tetradic

#0B153E #3E0B2F #3E340B #0B3E1B

square

#0B153E #3E0B2F #3E340B #0B3E1B

split-complementary

#0B153E #3E1B0B #2F3E0B

monochromatic

#05091A #05091A #0B153E #142772 #1D38A6

Accessibility & contrast

On white

17.63

#0B153E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0B153E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B153E

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B153E	#FFFFFF	#000000	##FFFFFF
##0B153E	1.00	17.63	1.19	17.63
#FFFFFF	17.63	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3F

Deuteranopia (green-blind)

#00163D

Tritanopia (blue-blind)

#001F27

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0b153e;
/* rgb */ color: rgb(11, 21, 62);
/* oklch */ color: oklch(21.7% 0.080 268.5);

Tailwind

colors: {
  custom: {
    50: '#535174',
    500: '#0b153e',
    950: '#000000',
  },
}

SCSS

$custom: #0b153e;
$custom-light: #535174;
$custom-dark: #000000;

JSON

{
  "hex": "#0b153e",
  "rgb": {
    "r": 11,
    "g": 21,
    "b": 62
  },
  "hsl": {
    "h": 228.235,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.21701,
    "c": 0.0796,
    "h": 268.5
  },
  "luminance": 0.00955
}

Semantic roles & 50–950 ramp

primary

#0B153E

secondary

#7B6B2A

accent

#CA3BED

background

#F4F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B153E

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

Preview Lab → · Contrast checker → · Palette generator →