#0B193E#0B193E

#0B193E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.074 H 265.3°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#0B193E
RGB	rgb(11, 25, 62)
HSL	hsl(224, 70%, 14%)
HSV	hsv(224, 82%, 24%)
CMYK	cmyk(82.3%, 59.7%, 0%, 75.7%)
CIE-LAB	lab(9.91, 9.56, -25.49)
CIE-LCH	lch(9.91, 27.22, 290.56°)
OKLab	oklab(22.68% -0.006 -0.0733)
OKLCH	oklch(22.68% 0.074 265.3)
XYZ	xyz(1.3548, 1.1141, 4.7001)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B193E #3E300B

analogous

#0B333E #0B193E #170B3E

triadic

#0B193E #3E0B19 #193E0B

tetradic

#0B193E #3E0B33 #3E300B #0B3E17

square

#0B193E #3E0B33 #3E300B #0B3E17

split-complementary

#0B193E #3E170B #333E0B

monochromatic

#050A1A #050A1A #0B193E #142E72 #1D43A6

Accessibility & contrast

On white

17.17

#0B193E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0B193E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B193E

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B193E	#FFFFFF	#000000	##FFFFFF
##0B193E	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031E3F

Deuteranopia (green-blind)

#00193D

Tritanopia (blue-blind)

#002228

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0b193e;
/* rgb */ color: rgb(11, 25, 62);
/* oklch */ color: oklch(22.7% 0.074 265.3);

Tailwind

colors: {
  custom: {
    50: '#525573',
    500: '#0b193e',
    950: '#000000',
  },
}

SCSS

$custom: #0b193e;
$custom-light: #525573;
$custom-dark: #000000;

JSON

{
  "hex": "#0b193e",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 62
  },
  "hsl": {
    "h": 223.529,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.22676,
    "c": 0.07356,
    "h": 265.3
  },
  "luminance": 0.01114
}

Semantic roles & 50–950 ramp

primary

#0B193E

secondary

#7B652A

accent

#BC3BED

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B193E

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

Preview Lab → · Contrast checker → · Palette generator →