#0F0F43#0F0F43

#0F0F43 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.2% C 0.095 H 274.7°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F43
RGB	rgb(15, 15, 67)
HSL	hsl(240, 63%, 16%)
HSV	hsv(240, 78%, 26%)
CMYK	cmyk(77.6%, 77.6%, 0%, 73.7%)
CIE-LAB	lab(7.66, 20.00, -32.68)
CIE-LCH	lch(7.66, 38.32, 301.47°)
OKLab	oklab(21.23% 0.0078 -0.0945)
OKLCH	oklch(21.23% 0.095 274.7)
XYZ	xyz(1.3806, 0.8483, 5.4001)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.45

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F43 #43430F

analogous

#0F2943 #0F0F43 #290F43

triadic

#0F0F43 #430F0F #0F430F

tetradic

#0F0F43 #430F29 #43430F #0F4329

square

#0F0F43 #430F29 #43430F #0F4329

split-complementary

#0F0F43 #43290F #29430F

monochromatic

#060619 #060619 #0F0F43 #1A1A75 #2525A7

Accessibility & contrast

On white

17.95

#0F0F43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0F0F43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F43

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F43	#FFFFFF	#000000	##FFFFFF
##0F0F43	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)

#001945

Deuteranopia (green-blind)

#001442

Tritanopia (blue-blind)

#001D27

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0f0f43;
/* rgb */ color: rgb(15, 15, 67);
/* oklch */ color: oklch(21.2% 0.095 274.7);

Tailwind

colors: {
  custom: {
    50: '#564d78',
    500: '#0f0f43',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f43;
$custom-light: #564d78;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f43",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 67
  },
  "hsl": {
    "h": 240,
    "s": 63.415,
    "l": 16.078
  },
  "oklch": {
    "l": 0.21232,
    "c": 0.09478,
    "h": 274.7
  },
  "luminance": 0.00848
}

Semantic roles & 50–950 ramp

primary

#0F0F43

secondary

#7D7D30

accent

#E641E6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0F0F43

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

Preview Lab → · Contrast checker → · Palette generator →