#0F0B4B#0F0B4B

#0F0B4B is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.5% C 0.111 H 274.5°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#0F0B4B
RGB	rgb(15, 11, 75)
HSL	hsl(244, 74%, 17%)
HSV	hsv(244, 85%, 29%)
CMYK	cmyk(80%, 85.3%, 0%, 70.6%)
CIE-LAB	lab(7.67, 25.77, -38.29)
CIE-LCH	lch(7.67, 46.16, 303.94°)
OKLab	oklab(21.52% 0.0087 -0.1108)
OKLCH	oklch(21.52% 0.111 274.5)
XYZ	xyz(1.5863, 0.8487, 6.7355)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0B4B #474B0B

analogous

#0B274B #0F0B4B #2F0B4B

triadic

#0F0B4B #4B0F0B #0B4B0F

tetradic

#0F0B4B #4B0B27 #474B0B #0B4B2F

square

#0F0B4B #4B0B27 #474B0B #0B4B2F

split-complementary

#0F0B4B #4B2F0B #274B0B

monochromatic

#05041B #05041B #0F0B4B #1A1380 #241BB6

Accessibility & contrast

On white

17.95

#0F0B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0F0B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0B4B

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0B4B	#FFFFFF	#000000	##FFFFFF
##0F0B4B	1.00	17.95	1.17	17.95
#FFFFFF	17.95	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4D

Deuteranopia (green-blind)

#00144A

Tritanopia (blue-blind)

#001E2B

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0f0b4b;
/* rgb */ color: rgb(15, 11, 75);
/* oklch */ color: oklch(21.5% 0.111 274.5);

Tailwind

colors: {
  custom: {
    50: '#594b7e',
    500: '#0f0b4b',
    950: '#000000',
  },
}

SCSS

$custom: #0f0b4b;
$custom-light: #594b7e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0b4b",
  "rgb": {
    "r": 15,
    "g": 11,
    "b": 75
  },
  "hsl": {
    "h": 243.75,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.2152,
    "c": 0.11112,
    "h": 274.5
  },
  "luminance": 0.00849
}

Semantic roles & 50–950 ramp

primary

#0F0B4B

secondary

#81872B

accent

#F137E5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0F0B4B

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

Preview Lab → · Contrast checker → · Palette generator →