#0F0F37#0F0F37

#0F0F37 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.9% C 0.076 H 277.0°. Best body text is #FFFFFF at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F37
RGB	rgb(15, 15, 55)
HSL	hsl(240, 57%, 14%)
HSV	hsv(240, 73%, 22%)
CMYK	cmyk(72.7%, 72.7%, 0%, 78.4%)
CIE-LAB	lab(6.49, 14.65, -25.98)
CIE-LCH	lch(6.49, 29.82, 299.42°)
OKLab	oklab(19.92% 0.0093 -0.0753)
OKLCH	oklch(19.92% 0.076 277)
XYZ	xyz(1.0572, 0.7190, 3.6968)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F37 #37370F

analogous

#0F2337 #0F0F37 #230F37

triadic

#0F0F37 #370F0F #0F370F

tetradic

#0F0F37 #370F23 #37370F #0F3723

square

#0F0F37 #370F23 #37370F #0F3723

split-complementary

#0F0F37 #37230F #23370F

monochromatic

#070718 #070718 #0F0F37 #1C1C67 #292997

Accessibility & contrast

On white

18.36

#0F0F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0F0F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F37

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F37	#FFFFFF	#000000	##FFFFFF
##0F0F37	1.00	18.36	1.14	18.36
#FFFFFF	18.36	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001638

Deuteranopia (green-blind)

#001336

Tritanopia (blue-blind)

#001921

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0f0f37;
/* rgb */ color: rgb(15, 15, 55);
/* oklch */ color: oklch(19.9% 0.076 277.0);

Tailwind

colors: {
  custom: {
    50: '#534d6e',
    500: '#0f0f37',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f37;
$custom-light: #534d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f37",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 55
  },
  "hsl": {
    "h": 240,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.19918,
    "c": 0.07589,
    "h": 277
  },
  "luminance": 0.00719
}

Semantic roles & 50–950 ramp

primary

#0F0F37

secondary

#717131

accent

#E047E0

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #0F0F37

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

Preview Lab → · Contrast checker → · Palette generator →