#0A0D42#0A0D42

#0A0D42 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.4% C 0.097 H 271.5°. Best body text is #FFFFFF at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#0A0D42
RGB	rgb(10, 13, 66)
HSL	hsl(237, 74%, 15%)
HSV	hsv(237, 85%, 26%)
CMYK	cmyk(84.8%, 80.3%, 0%, 74.1%)
CIE-LAB	lab(6.73, 20.09, -33.51)
CIE-LCH	lch(6.73, 39.07, 300.95°)
OKLab	oklab(20.38% 0.0025 -0.0974)
OKLCH	oklch(20.38% 0.097 271.5)
XYZ	xyz(1.2521, 0.7456, 5.2311)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.13

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0D42 #423F0A

analogous

#0A2942 #0A0D42 #230A42

triadic

#0A0D42 #420A0D #0D420A

tetradic

#0A0D42 #420A29 #423F0A #0A4223

square

#0A0D42 #420A29 #423F0A #0A4223

split-complementary

#0A0D42 #42230A #29420A

monochromatic

#04051B #04051B #0A0D42 #121777 #1A22AC

Accessibility & contrast

On white

18.27

#0A0D42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A0D42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0D42

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0D42	#FFFFFF	#000000	##FFFFFF
##0A0D42	1.00	18.27	1.15	18.27
#FFFFFF	18.27	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001844

Deuteranopia (green-blind)

#001241

Tritanopia (blue-blind)

#001C26

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a0d42;
/* rgb */ color: rgb(10, 13, 66);
/* oklch */ color: oklch(20.4% 0.097 271.5);

Tailwind

colors: {
  custom: {
    50: '#544c77',
    500: '#0a0d42',
    950: '#000000',
  },
}

SCSS

$custom: #0a0d42;
$custom-light: #544c77;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0d42",
  "rgb": {
    "r": 10,
    "g": 13,
    "b": 66
  },
  "hsl": {
    "h": 236.786,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.20384,
    "c": 0.09738,
    "h": 271.5
  },
  "luminance": 0.00746
}

Semantic roles & 50–950 ramp

primary

#0A0D42

secondary

#7F7B29

accent

#E637F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0A0D42

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

Preview Lab → · Contrast checker → · Palette generator →