#0B124E#0B124E

#0B124E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.8% C 0.109 H 269.6°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#0B124E
RGB	rgb(11, 18, 78)
HSL	hsl(234, 75%, 17%)
HSV	hsv(234, 86%, 31%)
CMYK	cmyk(85.9%, 76.9%, 0%, 69.4%)
CIE-LAB	lab(9.43, 21.89, -37.47)
CIE-LCH	lch(9.43, 43.40, 300.29°)
OKLab	oklab(22.82% -0.0008 -0.1085)
OKLCH	oklch(22.82% 0.109 269.6)
XYZ	xyz(1.7290, 1.0536, 7.3185)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B124E #4E470B

analogous

#0B344E #0B124E #250B4E

triadic

#0B124E #4E0B12 #124E0B

tetradic

#0B124E #4E0B34 #4E470B #0B4E25

square

#0B124E #4E0B34 #4E470B #0B4E25

split-complementary

#0B124E #4E250B #344E0B

monochromatic

#04061B #04061B #0B124E #131E84 #1A2BB9

Accessibility & contrast

On white

17.34

#0B124E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0B124E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B124E

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B124E	#FFFFFF	#000000	##FFFFFF
##0B124E	1.00	17.34	1.21	17.34
#FFFFFF	17.34	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E50

Deuteranopia (green-blind)

#00174D

Tritanopia (blue-blind)

#00232E

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0b124e;
/* rgb */ color: rgb(11, 18, 78);
/* oklch */ color: oklch(22.8% 0.109 269.6);

Tailwind

colors: {
  custom: {
    50: '#585080',
    500: '#0b124e',
    950: '#000000',
  },
}

SCSS

$custom: #0b124e;
$custom-light: #585080;
$custom-dark: #000000;

JSON

{
  "hex": "#0b124e",
  "rgb": {
    "r": 11,
    "g": 18,
    "b": 78
  },
  "hsl": {
    "h": 233.731,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.22817,
    "c": 0.10852,
    "h": 269.6
  },
  "luminance": 0.01054
}

Semantic roles & 50–950 ramp

primary

#0B124E

secondary

#8A802B

accent

#DE36F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0B124E

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

Preview Lab → · Contrast checker → · Palette generator →