#0F1541#0F1541

#0F1541 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.083 H 271.9°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#0F1541
RGB	rgb(15, 21, 65)
HSL	hsl(233, 63%, 16%)
HSV	hsv(233, 77%, 25%)
CMYK	cmyk(76.9%, 67.7%, 0%, 74.5%)
CIE-LAB	lab(9.15, 14.70, -28.83)
CIE-LCH	lch(9.15, 32.36, 297.02°)
OKLab	oklab(22.26% 0.0027 -0.0831)
OKLCH	oklch(22.26% 0.083 271.9)
XYZ	xyz(1.4190, 1.0194, 5.1220)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1541 #413B0F

analogous

#0F2E41 #0F1541 #220F41

triadic

#0F1541 #410F15 #15410F

tetradic

#0F1541 #410F2E #413B0F #0F4122

square

#0F1541 #410F2E #413B0F #0F4122

split-complementary

#0F1541 #41220F #2E410F

monochromatic

#060819 #060819 #0F1541 #1A2573 #2635A4

Accessibility & contrast

On white

17.44

#0F1541 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0F1541 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1541

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1541	#FFFFFF	#000000	##FFFFFF
##0F1541	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C42

Deuteranopia (green-blind)

#001840

Tritanopia (blue-blind)

#002028

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0f1541;
/* rgb */ color: rgb(15, 21, 65);
/* oklch */ color: oklch(22.3% 0.083 271.9);

Tailwind

colors: {
  custom: {
    50: '#555276',
    500: '#0f1541',
    950: '#000000',
  },
}

SCSS

$custom: #0f1541;
$custom-light: #555276;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1541",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 65
  },
  "hsl": {
    "h": 232.8,
    "s": 62.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22261,
    "c": 0.08314,
    "h": 271.9
  },
  "luminance": 0.0102
}

Semantic roles & 50–950 ramp

primary

#0F1541

secondary

#7B7230

accent

#D242E6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0F1541

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

Preview Lab → · Contrast checker → · Palette generator →