#0F0F40#0F0F40

#0F0F40 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.090 H 275.3°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F40
RGB	rgb(15, 15, 64)
HSL	hsl(240, 62%, 15%)
HSV	hsv(240, 77%, 25%)
CMYK	cmyk(76.6%, 76.6%, 0%, 74.9%)
CIE-LAB	lab(7.35, 18.73, -31.07)
CIE-LCH	lch(7.35, 36.28, 301.07°)
OKLab	oklab(20.89% 0.0083 -0.0898)
OKLCH	oklch(20.89% 0.09 275.3)
XYZ	xyz(1.2929, 0.8133, 4.9383)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.67

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F40 #40400F

analogous

#0F2740 #0F0F40 #270F40

triadic

#0F0F40 #400F0F #0F400F

tetradic

#0F0F40 #400F27 #40400F #0F4027

square

#0F0F40 #400F27 #40400F #0F4027

split-complementary

#0F0F40 #40270F #27400F

monochromatic

#060619 #060619 #0F0F40 #1B1B72 #2626A3

Accessibility & contrast

On white

18.06

#0F0F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0F0F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F40

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F40	#FFFFFF	#000000	##FFFFFF
##0F0F40	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001842

Deuteranopia (green-blind)

#00143F

Tritanopia (blue-blind)

#001C25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0f0f40;
/* rgb */ color: rgb(15, 15, 64);
/* oklch */ color: oklch(20.9% 0.090 275.3);

Tailwind

colors: {
  custom: {
    50: '#564d75',
    500: '#0f0f40',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f40;
$custom-light: #564d75;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f40",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 64
  },
  "hsl": {
    "h": 240,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.20892,
    "c": 0.09019,
    "h": 275.3
  },
  "luminance": 0.00813
}

Semantic roles & 50–950 ramp

primary

#0F0F40

secondary

#7A7A30

accent

#E543E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0F0F40

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

Preview Lab → · Contrast checker → · Palette generator →