#0A0F47#0A0F47

#0A0F47 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.102 H 270.3°. Best body text is #FFFFFF at 17.92:1 contrast (WCAG AA passes).

Color values

HEX	#0A0F47
RGB	rgb(10, 15, 71)
HSL	hsl(235, 75%, 16%)
HSV	hsv(235, 86%, 28%)
CMYK	cmyk(85.9%, 78.9%, 0%, 72.2%)
CIE-LAB	lab(7.78, 21.03, -35.33)
CIE-LCH	lch(7.78, 41.11, 300.76°)
OKLab	oklab(21.36% 0.0006 -0.1023)
OKLCH	oklch(21.36% 0.102 270.3)
XYZ	xyz(1.4329, 0.8610, 6.0507)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0F47 #47420A

analogous

#0A2D47 #0A0F47 #230A47

triadic

#0A0F47 #470A0F #0F470A

tetradic

#0A0F47 #470A2D #47420A #0A4723

square

#0A0F47 #470A2D #47420A #0A4723

split-complementary

#0A0F47 #47230A #2D470A

monochromatic

#04061B #04061B #0A0F47 #121A7D #1926B2

Accessibility & contrast

On white

17.92

#0A0F47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0A0F47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0F47

17.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0F47	#FFFFFF	#000000	##FFFFFF
##0A0F47	1.00	17.92	1.17	17.92
#FFFFFF	17.92	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A49

Deuteranopia (green-blind)

#001446

Tritanopia (blue-blind)

#001F29

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0a0f47;
/* rgb */ color: rgb(10, 15, 71);
/* oklch */ color: oklch(21.4% 0.102 270.3);

Tailwind

colors: {
  custom: {
    50: '#564d7b',
    500: '#0a0f47',
    950: '#000000',
  },
}

SCSS

$custom: #0a0f47;
$custom-light: #564d7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0f47",
  "rgb": {
    "r": 10,
    "g": 15,
    "b": 71
  },
  "hsl": {
    "h": 235.082,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.21363,
    "c": 0.10229,
    "h": 270.3
  },
  "luminance": 0.00861
}

Semantic roles & 50–950 ramp

primary

#0A0F47

secondary

#847C29

accent

#E236F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030109

muted

#78777B

Preview Lab

Preview with #0A0F47

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

Preview Lab → · Contrast checker → · Palette generator →