#0F0F3F#0F0F3F

#0F0F3F is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.8% C 0.089 H 275.5°. Best body text is #FFFFFF at 18.10:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F3F
RGB	rgb(15, 15, 63)
HSL	hsl(240, 62%, 15%)
HSV	hsv(240, 76%, 25%)
CMYK	cmyk(76.2%, 76.2%, 0%, 75.3%)
CIE-LAB	lab(7.24, 18.29, -30.53)
CIE-LCH	lch(7.24, 35.59, 300.93°)
OKLab	oklab(20.78% 0.0084 -0.0882)
OKLCH	oklch(20.78% 0.089 275.5)
XYZ	xyz(1.2647, 0.8020, 4.7898)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.79

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F3F #3F3F0F

analogous

#0F273F #0F0F3F #270F3F

triadic

#0F0F3F #3F0F0F #0F3F0F

tetradic

#0F0F3F #3F0F27 #3F3F0F #0F3F27

square

#0F0F3F #3F0F27 #3F3F0F #0F3F27

split-complementary

#0F0F3F #3F270F #273F0F

monochromatic

#060619 #060619 #0F0F3F #1B1B70 #2727A2

Accessibility & contrast

On white

18.10

#0F0F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0F0F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F3F

18.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F3F	#FFFFFF	#000000	##FFFFFF
##0F0F3F	1.00	18.10	1.16	18.10
#FFFFFF	18.10	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001840

Deuteranopia (green-blind)

#00143E

Tritanopia (blue-blind)

#001C25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0f0f3f;
/* rgb */ color: rgb(15, 15, 63);
/* oklch */ color: oklch(20.8% 0.089 275.5);

Tailwind

colors: {
  custom: {
    50: '#554d75',
    500: '#0f0f3f',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f3f;
$custom-light: #554d75;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f3f",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 63
  },
  "hsl": {
    "h": 240,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.2078,
    "c": 0.08865,
    "h": 275.5
  },
  "luminance": 0.00802
}

Semantic roles & 50–950 ramp

primary

#0F0F3F

secondary

#797930

accent

#E543E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0F0F3F

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

Preview Lab → · Contrast checker → · Palette generator →