#0F0F5A#0F0F5A

#0F0F5A is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.0% C 0.128 H 271.5°. Best body text is #FFFFFF at 16.99:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F5A
RGB	rgb(15, 15, 90)
HSL	hsl(240, 71%, 21%)
HSV	hsv(240, 83%, 35%)
CMYK	cmyk(83.3%, 83.3%, 0%, 64.7%)
CIE-LAB	lab(10.42, 28.90, -44.03)
CIE-LCH	lch(10.42, 52.67, 303.28°)
OKLab	oklab(24.02% 0.0032 -0.1275)
OKLCH	oklch(24.02% 0.128 271.5)
XYZ	xyz(2.2127, 1.1811, 9.7822)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F5A #5A5A0F

analogous

#0F345A #0F0F5A #340F5A

triadic

#0F0F5A #5A0F0F #0F5A0F

tetradic

#0F0F5A #5A0F34 #5A5A0F #0F5A34

square

#0F0F5A #5A0F34 #5A5A0F #0F5A34

split-complementary

#0F0F5A #5A340F #345A0F

monochromatic

#04041A #060626 #0F0F5A #18188E #2020C3

Accessibility & contrast

On white

16.99

#0F0F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0F0F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F5A

16.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F5A	#FFFFFF	#000000	##FFFFFF
##0F0F5A	1.00	16.99	1.24	16.99
#FFFFFF	16.99	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00205C

Deuteranopia (green-blind)

#001859

Tritanopia (blue-blind)

#002634

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0f0f5a;
/* rgb */ color: rgb(15, 15, 90);
/* oklch */ color: oklch(24.0% 0.128 271.5);

Tailwind

colors: {
  custom: {
    50: '#5d4f8a',
    500: '#0f0f5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f5a;
$custom-light: #5d4f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f5a",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 90
  },
  "hsl": {
    "h": 240,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.24016,
    "c": 0.12751,
    "h": 271.5
  },
  "luminance": 0.01181
}

Semantic roles & 50–950 ramp

primary

#0F0F5A

secondary

#949431

accent

#EE3AEE

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #0F0F5A

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

Preview Lab → · Contrast checker → · Palette generator →