#0A1D48#0A1D48

#0A1D48 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.084 H 263.5°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#0A1D48
RGB	rgb(10, 29, 72)
HSL	hsl(222, 76%, 16%)
HSV	hsv(222, 86%, 28%)
CMYK	cmyk(86.1%, 59.7%, 0%, 71.8%)
CIE-LAB	lab(12.03, 10.80, -29.07)
CIE-LCH	lch(12.03, 31.01, 290.38°)
OKLab	oklab(24.55% -0.0096 -0.0838)
OKLCH	oklch(24.55% 0.084 263.5)
XYZ	xyz(1.7338, 1.4109, 6.3106)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1D48 #48350A

analogous

#0A3C48 #0A1D48 #160A48

triadic

#0A1D48 #480A1D #1D480A

tetradic

#0A1D48 #480A3C #48350A #0A4816

square

#0A1D48 #480A3C #48350A #0A4816

split-complementary

#0A1D48 #48160A #3C480A

monochromatic

#040B1B #040B1B #0A1D48 #11337E #1948B3

Accessibility & contrast

On white

16.38

#0A1D48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0A1D48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1D48

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1D48	#FFFFFF	#000000	##FFFFFF
##0A1D48	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234A

Deuteranopia (green-blind)

#001D47

Tritanopia (blue-blind)

#00282F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0a1d48;
/* rgb */ color: rgb(10, 29, 72);
/* oklch */ color: oklch(24.5% 0.084 263.5);

Tailwind

colors: {
  custom: {
    50: '#55587b',
    500: '#0a1d48',
    950: '#000000',
  },
}

SCSS

$custom: #0a1d48;
$custom-light: #55587b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1d48",
  "rgb": {
    "r": 10,
    "g": 29,
    "b": 72
  },
  "hsl": {
    "h": 221.613,
    "s": 75.61,
    "l": 16.078
  },
  "oklch": {
    "l": 0.24545,
    "c": 0.08434,
    "h": 263.5
  },
  "luminance": 0.01411
}

Semantic roles & 50–950 ramp

primary

#0A1D48

secondary

#856929

accent

#B836F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0A1D48

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

Preview Lab → · Contrast checker → · Palette generator →