#0B0740#0B0740

#0B0740 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.1% C 0.101 H 274.4°. Best body text is #FFFFFF at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#0B0740
RGB	rgb(11, 7, 64)
HSL	hsl(244, 80%, 14%)
HSV	hsv(244, 89%, 25%)
CMYK	cmyk(82.8%, 89.1%, 0%, 74.9%)
CIE-LAB	lab(5.36, 22.36, -34.33)
CIE-LCH	lch(5.36, 40.97, 303.08°)
OKLab	oklab(19.15% 0.0078 -0.1011)
OKLCH	oklch(19.15% 0.101 274.4)
XYZ	xyz(1.1391, 0.5932, 4.9040)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.54

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0740 #3C4007

analogous

#072040 #0B0740 #280740

triadic

#0B0740 #400B07 #07400B

tetradic

#0B0740 #400720 #3C4007 #074028

square

#0B0740 #400720 #3C4007 #074028

split-complementary

#0B0740 #402807 #204007

monochromatic

#05031C #05031C #0B0740 #140D77 #1E13AE

Accessibility & contrast

On white

18.77

#0B0740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0B0740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0740

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0740	#FFFFFF	#000000	##FFFFFF
##0B0740	1.00	18.77	1.12	18.77
#FFFFFF	18.77	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001442

Deuteranopia (green-blind)

#000F3F

Tritanopia (blue-blind)

#001823

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0b0740;
/* rgb */ color: rgb(11, 7, 64);
/* oklch */ color: oklch(19.1% 0.101 274.4);

Tailwind

colors: {
  custom: {
    50: '#544876',
    500: '#0b0740',
    950: '#000000',
  },
}

SCSS

$custom: #0b0740;
$custom-light: #544876;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0740",
  "rgb": {
    "r": 11,
    "g": 7,
    "b": 64
  },
  "hsl": {
    "h": 244.211,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.1915,
    "c": 0.1014,
    "h": 274.4
  },
  "luminance": 0.00593
}

Semantic roles & 50–950 ramp

primary

#0B0740

secondary

#797F24

accent

#F731E9

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0B0740

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

Preview Lab → · Contrast checker → · Palette generator →