#0A1C4A#0A1C4A

#0A1C4A is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.089 H 264.5°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#0A1C4A
RGB	rgb(10, 28, 74)
HSL	hsl(223, 76%, 16%)
HSV	hsv(223, 86%, 29%)
CMYK	cmyk(86.5%, 62.2%, 0%, 71%)
CIE-LAB	lab(11.89, 12.48, -30.69)
CIE-LCH	lch(11.89, 33.13, 292.13°)
OKLab	oklab(24.49% -0.0085 -0.0886)
OKLCH	oklch(24.49% 0.089 264.5)
XYZ	xyz(1.7760, 1.3892, 6.6518)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1C4A #4A380A

analogous

#0A3C4A #0A1C4A #180A4A

triadic

#0A1C4A #4A0A1C #1C4A0A

tetradic

#0A1C4A #4A0A3C #4A380A #0A4A18

square

#0A1C4A #4A0A3C #4A380A #0A4A18

split-complementary

#0A1C4A #4A180A #3C4A0A

monochromatic

#040A1B #040A1B #0A1C4A #113080 #1945B6

Accessibility & contrast

On white

16.43

#0A1C4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0A1C4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1C4A

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1C4A	#FFFFFF	#000000	##FFFFFF
##0A1C4A	1.00	16.43	1.28	16.43
#FFFFFF	16.43	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224C

Deuteranopia (green-blind)

#001C49

Tritanopia (blue-blind)

#00272F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0a1c4a;
/* rgb */ color: rgb(10, 28, 74);
/* oklch */ color: oklch(24.5% 0.089 264.5);

Tailwind

colors: {
  custom: {
    50: '#55577d',
    500: '#0a1c4a',
    950: '#000000',
  },
}

SCSS

$custom: #0a1c4a;
$custom-light: #55577d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1c4a",
  "rgb": {
    "r": 10,
    "g": 28,
    "b": 74
  },
  "hsl": {
    "h": 223.125,
    "s": 76.19,
    "l": 16.471
  },
  "oklch": {
    "l": 0.24491,
    "c": 0.08898,
    "h": 264.5
  },
  "luminance": 0.01389
}

Semantic roles & 50–950 ramp

primary

#0A1C4A

secondary

#876C29

accent

#BD35F3

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0A1C4A

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

Preview Lab → · Contrast checker → · Palette generator →