#0A1441#0A1441

#0A1441 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.7% C 0.086 H 268.5°. Best body text is #FFFFFF at 17.66:1 contrast (WCAG AA passes).

Color values

HEX	#0A1441
RGB	rgb(10, 20, 65)
HSL	hsl(229, 73%, 15%)
HSV	hsv(229, 85%, 25%)
CMYK	cmyk(84.6%, 69.2%, 0%, 74.5%)
CIE-LAB	lab(8.54, 14.70, -29.85)
CIE-LCH	lch(8.54, 33.27, 296.22°)
OKLab	oklab(21.72% -0.0023 -0.0862)
OKLCH	oklch(21.72% 0.086 268.5)
XYZ	xyz(1.3291, 0.9464, 5.1126)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1441 #41370A

analogous

#0A3041 #0A1441 #1C0A41

triadic

#0A1441 #410A14 #14410A

tetradic

#0A1441 #410A30 #41370A #0A411C

square

#0A1441 #410A30 #41370A #0A411C

split-complementary

#0A1441 #411C0A #30410A

monochromatic

#04081B #04081B #0A1441 #122476 #1A35AB

Accessibility & contrast

On white

17.66

#0A1441 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0A1441 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1441

17.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1441	#FFFFFF	#000000	##FFFFFF
##0A1441	1.00	17.66	1.19	17.66
#FFFFFF	17.66	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B42

Deuteranopia (green-blind)

#001640

Tritanopia (blue-blind)

#002028

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0a1441;
/* rgb */ color: rgb(10, 20, 65);
/* oklch */ color: oklch(21.7% 0.086 268.5);

Tailwind

colors: {
  custom: {
    50: '#535176',
    500: '#0a1441',
    950: '#000000',
  },
}

SCSS

$custom: #0a1441;
$custom-light: #535176;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1441",
  "rgb": {
    "r": 10,
    "g": 20,
    "b": 65
  },
  "hsl": {
    "h": 229.091,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.2172,
    "c": 0.08627,
    "h": 268.5
  },
  "luminance": 0.00946
}

Semantic roles & 50–950 ramp

primary

#0A1441

secondary

#7E6F29

accent

#CF38F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0A1441

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

Preview Lab → · Contrast checker → · Palette generator →