#0A1C49#0A1C49

#0A1C49 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.4% C 0.087 H 264.3°. Best body text is #FFFFFF at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#0A1C49
RGB	rgb(10, 28, 73)
HSL	hsl(223, 76%, 16%)
HSV	hsv(223, 86%, 29%)
CMYK	cmyk(86.3%, 61.6%, 0%, 71.4%)
CIE-LAB	lab(11.80, 12.03, -30.14)
CIE-LCH	lch(11.80, 32.46, 291.76°)
OKLab	oklab(24.4% -0.0086 -0.087)
OKLCH	oklch(24.4% 0.087 264.3)
XYZ	xyz(1.7426, 1.3759, 6.4758)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1C49 #49370A

analogous

#0A3C49 #0A1C49 #180A49

triadic

#0A1C49 #490A1C #1C490A

tetradic

#0A1C49 #490A3C #49370A #0A4918

square

#0A1C49 #490A3C #49370A #0A4918

split-complementary

#0A1C49 #49180A #3C490A

monochromatic

#040A1B #040A1B #0A1C49 #11317F #1945B5

Accessibility & contrast

On white

16.47

#0A1C49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0A1C49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1C49

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1C49	#FFFFFF	#000000	##FFFFFF
##0A1C49	1.00	16.47	1.28	16.47
#FFFFFF	16.47	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224B

Deuteranopia (green-blind)

#001C48

Tritanopia (blue-blind)

#00272F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0a1c49;
/* rgb */ color: rgb(10, 28, 73);
/* oklch */ color: oklch(24.4% 0.087 264.3);

Tailwind

colors: {
  custom: {
    50: '#55577c',
    500: '#0a1c49',
    950: '#000000',
  },
}

SCSS

$custom: #0a1c49;
$custom-light: #55577c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1c49",
  "rgb": {
    "r": 10,
    "g": 28,
    "b": 73
  },
  "hsl": {
    "h": 222.857,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.24395,
    "c": 0.08739,
    "h": 264.3
  },
  "luminance": 0.01376
}

Semantic roles & 50–950 ramp

primary

#0A1C49

secondary

#866B29

accent

#BC35F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0A1C49

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

Preview Lab → · Contrast checker → · Palette generator →