#0A1847#0A1847

#0A1847 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.3% C 0.090 H 266.5°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#0A1847
RGB	rgb(10, 24, 71)
HSL	hsl(226, 75%, 16%)
HSV	hsv(226, 86%, 28%)
CMYK	cmyk(85.9%, 66.2%, 0%, 72.2%)
CIE-LAB	lab(10.35, 14.25, -31.10)
CIE-LCH	lch(10.35, 34.21, 294.61°)
OKLab	oklab(23.25% -0.0055 -0.0898)
OKLCH	oklch(23.25% 0.09 266.5)
XYZ	xyz(1.5887, 1.1726, 6.1026)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1847 #47390A

analogous

#0A3647 #0A1847 #1A0A47

triadic

#0A1847 #470A18 #18470A

tetradic

#0A1847 #470A36 #47390A #0A471A

square

#0A1847 #470A36 #47390A #0A471A

split-complementary

#0A1847 #471A0A #36470A

monochromatic

#04091B #04091B #0A1847 #122A7D #193CB2

Accessibility & contrast

On white

17.01

#0A1847 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0A1847 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1847

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1847	#FFFFFF	#000000	##FFFFFF
##0A1847	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F49

Deuteranopia (green-blind)

#001946

Tritanopia (blue-blind)

#00242C

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0a1847;
/* rgb */ color: rgb(10, 24, 71);
/* oklch */ color: oklch(23.3% 0.090 266.5);

Tailwind

colors: {
  custom: {
    50: '#55547b',
    500: '#0a1847',
    950: '#000000',
  },
}

SCSS

$custom: #0a1847;
$custom-light: #55547b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1847",
  "rgb": {
    "r": 10,
    "g": 24,
    "b": 71
  },
  "hsl": {
    "h": 226.23,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.23254,
    "c": 0.09002,
    "h": 266.5
  },
  "luminance": 0.01173
}

Semantic roles & 50–950 ramp

primary

#0A1847

secondary

#846F29

accent

#C736F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1847

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

Preview Lab → · Contrast checker → · Palette generator →